18590968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11119}}^1$

素因数の和:11155

約数の個数: 32

約数和(自身を含む): 40032000

約数和(自身を除く): 21441032

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11119, 22238, 44476, 88952, 122309, 211261, 244618, 422522, 489236, 845044, 978472, 1690088, 2323871, 4647742, 9295484, 18590968]

約数ペア:

[(1, 18590968), (2, 9295484), (4, 4647742), (8, 2323871), (11, 1690088), (19, 978472), (22, 845044), (38, 489236), (44, 422522), (76, 244618), (88, 211261), (152, 122309), (209, 88952), (418, 44476), (836, 22238), (1672, 11119)]