18419640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 40332360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 67, 79, 87, 116, 120, 134, 145, 158, 174, 201, 232, 237, 268, 290, 316, 335, 348, 395, 402, 435, 474, 536, 580, 632, 670, 696, 790, 804, 870, 948, 1005, 1160, 1185, 1340, 1580, 1608, 1740, 1896, 1943, 2010, 2291, 2370, 2680, 3160, 3480, 3886, 4020, 4582, 4740, 5293, 5829, 6873, 7772, 8040, 9164, 9480, 9715, 10586, 11455, 11658, 13746, 15544, 15879, 18328, 19430, 21172, 22910, 23316, 26465, 27492, 29145, 31758, 34365, 38860, 42344, 45820, 46632, 52930, 54984, 58290, 63516, 68730, 77720, 79395, 91640, 105860, 116580, 127032, 137460, 153497, 158790, 211720, 233160, 274920, 306994, 317580, 460491, 613988, 635160, 767485, 920982, 1227976, 1534970, 1841964, 2302455, 3069940, 3683928, 4604910, 6139880, 9209820, 18419640]

約数ペア:

[(1, 18419640), (2, 9209820), (3, 6139880), (4, 4604910), (5, 3683928), (6, 3069940), (8, 2302455), (10, 1841964), (12, 1534970), (15, 1227976), (20, 920982), (24, 767485), (29, 635160), (30, 613988), (40, 460491), (58, 317580), (60, 306994), (67, 274920), (79, 233160), (87, 211720), (116, 158790), (120, 153497), (134, 137460), (145, 127032), (158, 116580), (174, 105860), (201, 91640), (232, 79395), (237, 77720), (268, 68730), (290, 63516), (316, 58290), (335, 54984), (348, 52930), (395, 46632), (402, 45820), (435, 42344), (474, 38860), (536, 34365), (580, 31758), (632, 29145), (670, 27492), (696, 26465), (790, 23316), (804, 22910), (870, 21172), (948, 19430), (1005, 18328), (1160, 15879), (1185, 15544), (1340, 13746), (1580, 11658), (1608, 11455), (1740, 10586), (1896, 9715), (1943, 9480), (2010, 9164), (2291, 8040), (2370, 7772), (2680, 6873), (3160, 5829), (3480, 5293), (3886, 4740), (4020, 4582)]