18628844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3547}}^1$

素因数の和:3665

約数の個数: 24

約数和(自身を含む): 35465808

約数和(自身を除く): 16836964

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3547, 5252, 7094, 14188, 46111, 92222, 184444, 358247, 716494, 1432988, 4657211, 9314422, 18628844]

約数ペア:

[(1, 18628844), (2, 9314422), (4, 4657211), (13, 1432988), (26, 716494), (52, 358247), (101, 184444), (202, 92222), (404, 46111), (1313, 14188), (2626, 7094), (3547, 5252)]