18657665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7001}}^1$

素因数の和:7060

約数の個数: 16

約数和(自身を含む): 24703056

約数和(自身を除く): 6045391

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7001, 35005, 91013, 287041, 455065, 1435205, 3731533, 18657665]

約数ペア:

[(1, 18657665), (5, 3731533), (13, 1435205), (41, 455065), (65, 287041), (205, 91013), (533, 35005), (2665, 7001)]