19086080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 52195584

約数和(自身を除く): 33109504

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, 128, 130, 148, 155, 160, 185, 208, 248, 256, 260, 296, 310, 320, 370, 403, 416, 481, 496, 520, 592, 620, 640, 740, 806, 832, 962, 992, 1040, 1147, 1184, 1240, 1280, 1480, 1612, 1664, 1924, 1984, 2015, 2080, 2294, 2368, 2405, 2480, 2960, 3224, 3328, 3848, 3968, 4030, 4160, 4588, 4736, 4810, 4960, 5735, 5920, 6448, 7696, 7936, 8060, 8320, 9176, 9472, 9620, 9920, 11470, 11840, 12896, 14911, 15392, 16120, 16640, 18352, 19240, 19840, 22940, 23680, 25792, 29822, 30784, 32240, 36704, 38480, 39680, 45880, 47360, 51584, 59644, 61568, 64480, 73408, 74555, 76960, 91760, 103168, 119288, 123136, 128960, 146816, 149110, 153920, 183520, 238576, 257920, 293632, 298220, 307840, 367040, 477152, 515840, 596440, 615680, 734080, 954304, 1192880, 1468160, 1908608, 2385760, 3817216, 4771520, 9543040, 19086080]

約数ペア:

[(1, 19086080), (2, 9543040), (4, 4771520), (5, 3817216), (8, 2385760), (10, 1908608), (13, 1468160), (16, 1192880), (20, 954304), (26, 734080), (31, 615680), (32, 596440), (37, 515840), (40, 477152), (52, 367040), (62, 307840), (64, 298220), (65, 293632), (74, 257920), (80, 238576), (104, 183520), (124, 153920), (128, 149110), (130, 146816), (148, 128960), (155, 123136), (160, 119288), (185, 103168), (208, 91760), (248, 76960), (256, 74555), (260, 73408), (296, 64480), (310, 61568), (320, 59644), (370, 51584), (403, 47360), (416, 45880), (481, 39680), (496, 38480), (520, 36704), (592, 32240), (620, 30784), (640, 29822), (740, 25792), (806, 23680), (832, 22940), (962, 19840), (992, 19240), (1040, 18352), (1147, 16640), (1184, 16120), (1240, 15392), (1280, 14911), (1480, 12896), (1612, 11840), (1664, 11470), (1924, 9920), (1984, 9620), (2015, 9472), (2080, 9176), (2294, 8320), (2368, 8060), (2405, 7936), (2480, 7696), (2960, 6448), (3224, 5920), (3328, 5735), (3848, 4960), (3968, 4810), (4030, 4736), (4160, 4588)]