18445710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 27680370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 79, 86, 129, 158, 181, 215, 237, 258, 362, 395, 430, 474, 543, 645, 790, 905, 1086, 1185, 1290, 1810, 2370, 2715, 3397, 5430, 6794, 7783, 10191, 14299, 15566, 16985, 20382, 23349, 28598, 33970, 38915, 42897, 46698, 50955, 71495, 77830, 85794, 101910, 116745, 142990, 214485, 233490, 428970, 614857, 1229714, 1844571, 3074285, 3689142, 6148570, 9222855, 18445710]

約数ペア:

[(1, 18445710), (2, 9222855), (3, 6148570), (5, 3689142), (6, 3074285), (10, 1844571), (15, 1229714), (30, 614857), (43, 428970), (79, 233490), (86, 214485), (129, 142990), (158, 116745), (181, 101910), (215, 85794), (237, 77830), (258, 71495), (362, 50955), (395, 46698), (430, 42897), (474, 38915), (543, 33970), (645, 28598), (790, 23349), (905, 20382), (1086, 16985), (1185, 15566), (1290, 14299), (1810, 10191), (2370, 7783), (2715, 6794), (3397, 5430)]