18456980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48571}}^1$

素因数の和:48599

約数の個数: 24

約数和(自身を含む): 40800480

約数和(自身を除く): 22343500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48571, 97142, 194284, 242855, 485710, 922849, 971420, 1845698, 3691396, 4614245, 9228490, 18456980]

約数ペア:

[(1, 18456980), (2, 9228490), (4, 4614245), (5, 3691396), (10, 1845698), (19, 971420), (20, 922849), (38, 485710), (76, 242855), (95, 194284), (190, 97142), (380, 48571)]