18677490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 48940416

約数和(自身を除く): 30262926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 577, 830, 1079, 1154, 1245, 1731, 2158, 2490, 2885, 3237, 3462, 5395, 5770, 6474, 7501, 8655, 10790, 15002, 16185, 17310, 22503, 32370, 37505, 45006, 47891, 75010, 95782, 112515, 143673, 225030, 239455, 287346, 478910, 622583, 718365, 1245166, 1436730, 1867749, 3112915, 3735498, 6225830, 9338745, 18677490]

約数ペア:

[(1, 18677490), (2, 9338745), (3, 6225830), (5, 3735498), (6, 3112915), (10, 1867749), (13, 1436730), (15, 1245166), (26, 718365), (30, 622583), (39, 478910), (65, 287346), (78, 239455), (83, 225030), (130, 143673), (166, 112515), (195, 95782), (249, 75010), (390, 47891), (415, 45006), (498, 37505), (577, 32370), (830, 22503), (1079, 17310), (1154, 16185), (1245, 15002), (1731, 10790), (2158, 8655), (2490, 7501), (2885, 6474), (3237, 5770), (3462, 5395)]