18534399

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 27054720

約数和(自身を除く): 8520321

約数列:

[1, 3, 13, 39, 139, 169, 263, 417, 507, 789, 1807, 3419, 5421, 10257, 23491, 36557, 44447, 70473, 109671, 133341, 475241, 1425723, 6178133, 18534399]

約数ペア:

[(1, 18534399), (3, 6178133), (13, 1425723), (39, 475241), (139, 133341), (169, 109671), (263, 70473), (417, 44447), (507, 36557), (789, 23491), (1807, 10257), (3419, 5421)]