18895230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3041

約数の個数: 48

約数和(自身を含む): 49836384

約数和(自身を除く): 30941154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 2957, 3195, 5914, 6390, 8871, 14785, 17742, 26613, 29570, 44355, 53226, 88710, 133065, 209947, 266130, 419894, 629841, 1049735, 1259682, 1889523, 2099470, 3149205, 3779046, 6298410, 9447615, 18895230]

約数ペア:

[(1, 18895230), (2, 9447615), (3, 6298410), (5, 3779046), (6, 3149205), (9, 2099470), (10, 1889523), (15, 1259682), (18, 1049735), (30, 629841), (45, 419894), (71, 266130), (90, 209947), (142, 133065), (213, 88710), (355, 53226), (426, 44355), (639, 29570), (710, 26613), (1065, 17742), (1278, 14785), (2130, 8871), (2957, 6390), (3195, 5914)]