18587080

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3343}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 23547320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3343, 5560, 6686, 13372, 16715, 26744, 33430, 66860, 133720, 464677, 929354, 1858708, 2323385, 3717416, 4646770, 9293540, 18587080]

約数ペア:

[(1, 18587080), (2, 9293540), (4, 4646770), (5, 3717416), (8, 2323385), (10, 1858708), (20, 929354), (40, 464677), (139, 133720), (278, 66860), (556, 33430), (695, 26744), (1112, 16715), (1390, 13372), (2780, 6686), (3343, 5560)]