18377060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5437}}^1$

素因数の和:5472

約数の個数: 36

約数和(自身を含む): 41796468

約数和(自身を除く): 23419408

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5437, 10874, 21748, 27185, 54370, 70681, 108740, 141362, 282724, 353405, 706810, 918853, 1413620, 1837706, 3675412, 4594265, 9188530, 18377060]

約数ペア:

[(1, 18377060), (2, 9188530), (4, 4594265), (5, 3675412), (10, 1837706), (13, 1413620), (20, 918853), (26, 706810), (52, 353405), (65, 282724), (130, 141362), (169, 108740), (260, 70681), (338, 54370), (676, 27185), (845, 21748), (1690, 10874), (3380, 5437)]