18578313

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 29215368

約数和(自身を除く): 10637055

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1637, 3783, 4911, 11349, 14733, 21281, 63843, 158789, 191529, 476367, 1429101, 2064257, 6192771, 18578313]

約数ペア:

[(1, 18578313), (3, 6192771), (9, 2064257), (13, 1429101), (39, 476367), (97, 191529), (117, 158789), (291, 63843), (873, 21281), (1261, 14733), (1637, 11349), (3783, 4911)]