19835208640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4157}}^1$

素因数の和:4255

約数の個数: 224

約数和(自身を含む): 53938773504

約数和(自身を除く): 34103564864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 64, 65, 74, 80, 104, 124, 130, 148, 155, 160, 185, 208, 248, 260, 296, 310, 320, 370, 403, 416, 481, 496, 520, 592, 620, 740, 806, 832, 962, 992, 1040, 1147, 1184, 1240, 1480, 1612, 1924, 1984, 2015, 2080, 2294, 2368, 2405, 2480, 2960, 3224, 3848, 4030, 4157, 4160, 4588, 4810, 4960, 5735, 5920, 6448, 7696, 8060, 8314, 9176, 9620, 9920, 11470, 11840, 12896, 14911, 15392, 16120, 16628, 18352, 19240, 20785, 22940, 25792, 29822, 30784, 32240, 33256, 36704, 38480, 41570, 45880, 54041, 59644, 64480, 66512, 73408, 74555, 76960, 83140, 91760, 108082, 119288, 128867, 128960, 133024, 149110, 153809, 153920, 166280, 183520, 216164, 238576, 257734, 266048, 270205, 298220, 307618, 332560, 367040, 432328, 477152, 515468, 540410, 596440, 615236, 644335, 665120, 769045, 864656, 954304, 1030936, 1080820, 1192880, 1230472, 1288670, 1330240, 1538090, 1675271, 1729312, 1999517, 2061872, 2161640, 2385760, 2460944, 2577340, 3076180, 3350542, 3458624, 3999034, 4123744, 4323280, 4768079, 4771520, 4921888, 5154680, 6152360, 6701084, 7998068, 8247488, 8376355, 8646560, 9536158, 9843776, 9997585, 10309360, 12304720, 13402168, 15996136, 16752710, 17293120, 19072316, 19995170, 20618720, 23840395, 24609440, 26804336, 31992272, 33505420, 38144632, 39990340, 41237440, 47680790, 49218880, 53608672, 61985027, 63984544, 67010840, 76289264, 79980680, 95361580, 107217344, 123970054, 127969088, 134021680, 152578528, 159961360, 190723160, 247940108, 268043360, 305157056, 309925135, 319922720, 381446320, 495880216, 536086720, 619850270, 639845440, 762892640, 991760432, 1239700540, 1525785280, 1983520864, 2479401080, 3967041728, 4958802160, 9917604320, 19835208640]

約数ペア:

[(1, 19835208640), (2, 9917604320), (4, 4958802160), (5, 3967041728), (8, 2479401080), (10, 1983520864), (13, 1525785280), (16, 1239700540), (20, 991760432), (26, 762892640), (31, 639845440), (32, 619850270), (37, 536086720), (40, 495880216), (52, 381446320), (62, 319922720), (64, 309925135), (65, 305157056), (74, 268043360), (80, 247940108), (104, 190723160), (124, 159961360), (130, 152578528), (148, 134021680), (155, 127969088), (160, 123970054), (185, 107217344), (208, 95361580), (248, 79980680), (260, 76289264), (296, 67010840), (310, 63984544), (320, 61985027), (370, 53608672), (403, 49218880), (416, 47680790), (481, 41237440), (496, 39990340), (520, 38144632), (592, 33505420), (620, 31992272), (740, 26804336), (806, 24609440), (832, 23840395), (962, 20618720), (992, 19995170), (1040, 19072316), (1147, 17293120), (1184, 16752710), (1240, 15996136), (1480, 13402168), (1612, 12304720), (1924, 10309360), (1984, 9997585), (2015, 9843776), (2080, 9536158), (2294, 8646560), (2368, 8376355), (2405, 8247488), (2480, 7998068), (2960, 6701084), (3224, 6152360), (3848, 5154680), (4030, 4921888), (4157, 4771520), (4160, 4768079), (4588, 4323280), (4810, 4123744), (4960, 3999034), (5735, 3458624), (5920, 3350542), (6448, 3076180), (7696, 2577340), (8060, 2460944), (8314, 2385760), (9176, 2161640), (9620, 2061872), (9920, 1999517), (11470, 1729312), (11840, 1675271), (12896, 1538090), (14911, 1330240), (15392, 1288670), (16120, 1230472), (16628, 1192880), (18352, 1080820), (19240, 1030936), (20785, 954304), (22940, 864656), (25792, 769045), (29822, 665120), (30784, 644335), (32240, 615236), (33256, 596440), (36704, 540410), (38480, 515468), (41570, 477152), (45880, 432328), (54041, 367040), (59644, 332560), (64480, 307618), (66512, 298220), (73408, 270205), (74555, 266048), (76960, 257734), (83140, 238576), (91760, 216164), (108082, 183520), (119288, 166280), (128867, 153920), (128960, 153809), (133024, 149110)]