18190263

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1$

素因数の和:2943

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 12969033

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 2897, 6279, 8691, 20279, 37661, 60837, 66631, 112983, 199893, 263627, 466417, 790881, 866203, 1399251, 2598609, 6063421, 18190263]

約数ペア:

[(1, 18190263), (3, 6063421), (7, 2598609), (13, 1399251), (21, 866203), (23, 790881), (39, 466417), (69, 263627), (91, 199893), (161, 112983), (273, 66631), (299, 60837), (483, 37661), (897, 20279), (2093, 8691), (2897, 6279)]