18949680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 160

約数和(自身を含む): 67614720

約数和(自身を除く): 48665040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 283, 310, 360, 372, 432, 465, 496, 540, 558, 566, 620, 720, 744, 837, 849, 930, 1080, 1116, 1132, 1240, 1395, 1415, 1488, 1674, 1698, 1860, 2160, 2232, 2264, 2480, 2547, 2790, 2830, 3348, 3396, 3720, 4185, 4245, 4464, 4528, 5094, 5580, 5660, 6696, 6792, 7440, 7641, 8370, 8490, 8773, 10188, 11160, 11320, 12735, 13392, 13584, 15282, 16740, 16980, 17546, 20376, 22320, 22640, 25470, 26319, 30564, 33480, 33960, 35092, 38205, 40752, 43865, 50940, 52638, 61128, 66960, 67920, 70184, 76410, 78957, 87730, 101880, 105276, 122256, 131595, 140368, 152820, 157914, 175460, 203760, 210552, 236871, 263190, 305640, 315828, 350920, 394785, 421104, 473742, 526380, 611280, 631656, 701840, 789570, 947484, 1052760, 1184355, 1263312, 1579140, 1894968, 2105520, 2368710, 3158280, 3789936, 4737420, 6316560, 9474840, 18949680]

約数ペア:

[(1, 18949680), (2, 9474840), (3, 6316560), (4, 4737420), (5, 3789936), (6, 3158280), (8, 2368710), (9, 2105520), (10, 1894968), (12, 1579140), (15, 1263312), (16, 1184355), (18, 1052760), (20, 947484), (24, 789570), (27, 701840), (30, 631656), (31, 611280), (36, 526380), (40, 473742), (45, 421104), (48, 394785), (54, 350920), (60, 315828), (62, 305640), (72, 263190), (80, 236871), (90, 210552), (93, 203760), (108, 175460), (120, 157914), (124, 152820), (135, 140368), (144, 131595), (155, 122256), (180, 105276), (186, 101880), (216, 87730), (240, 78957), (248, 76410), (270, 70184), (279, 67920), (283, 66960), (310, 61128), (360, 52638), (372, 50940), (432, 43865), (465, 40752), (496, 38205), (540, 35092), (558, 33960), (566, 33480), (620, 30564), (720, 26319), (744, 25470), (837, 22640), (849, 22320), (930, 20376), (1080, 17546), (1116, 16980), (1132, 16740), (1240, 15282), (1395, 13584), (1415, 13392), (1488, 12735), (1674, 11320), (1698, 11160), (1860, 10188), (2160, 8773), (2232, 8490), (2264, 8370), (2480, 7641), (2547, 7440), (2790, 6792), (2830, 6696), (3348, 5660), (3396, 5580), (3720, 5094), (4185, 4528), (4245, 4464)]