18855278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1471}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 14529682

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 221, 377, 442, 493, 754, 986, 1471, 2942, 6409, 12818, 19123, 25007, 38246, 42659, 50014, 85318, 325091, 554567, 650182, 725203, 1109134, 1450406, 9427639, 18855278]

約数ペア:

[(1, 18855278), (2, 9427639), (13, 1450406), (17, 1109134), (26, 725203), (29, 650182), (34, 554567), (58, 325091), (221, 85318), (377, 50014), (442, 42659), (493, 38246), (754, 25007), (986, 19123), (1471, 12818), (2942, 6409)]