18138441

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 8182455

約数列:

[1, 3, 31, 41, 67, 71, 93, 123, 201, 213, 1271, 2077, 2201, 2747, 2911, 3813, 4757, 6231, 6603, 8241, 8733, 14271, 85157, 90241, 147467, 195037, 255471, 270723, 442401, 585111, 6046147, 18138441]

約数ペア:

[(1, 18138441), (3, 6046147), (31, 585111), (41, 442401), (67, 270723), (71, 255471), (93, 195037), (123, 147467), (201, 90241), (213, 85157), (1271, 14271), (2077, 8733), (2201, 8241), (2747, 6603), (2911, 6231), (3813, 4757)]