18217640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65063}}^1$

素因数の和:65081

約数の個数: 32

約数和(自身を含む): 46846080

約数和(自身を除く): 28628440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65063, 130126, 260252, 325315, 455441, 520504, 650630, 910882, 1301260, 1821764, 2277205, 2602520, 3643528, 4554410, 9108820, 18217640]

約数ペア:

[(1, 18217640), (2, 9108820), (4, 4554410), (5, 3643528), (7, 2602520), (8, 2277205), (10, 1821764), (14, 1301260), (20, 910882), (28, 650630), (35, 520504), (40, 455441), (56, 325315), (70, 260252), (140, 130126), (280, 65063)]