12389390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7331}}^1$

素因数の和:7364

約数の個数: 24

約数和(自身を含む): 24151608

約数和(自身を除く): 11762218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 7331, 14662, 36655, 73310, 95303, 190606, 476515, 953030, 1238939, 2477878, 6194695, 12389390]

約数ペア:

[(1, 12389390), (2, 6194695), (5, 2477878), (10, 1238939), (13, 953030), (26, 476515), (65, 190606), (130, 95303), (169, 73310), (338, 36655), (845, 14662), (1690, 7331)]