18237872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3529}}^1$

素因数の和:3573

約数の個数: 40

約数和(自身を含む): 39394800

約数和(自身を除く): 21156928

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3529, 5168, 7058, 14116, 28232, 56464, 59993, 67051, 119986, 134102, 239972, 268204, 479944, 536408, 959888, 1072816, 1139867, 2279734, 4559468, 9118936, 18237872]

約数ペア:

[(1, 18237872), (2, 9118936), (4, 4559468), (8, 2279734), (16, 1139867), (17, 1072816), (19, 959888), (34, 536408), (38, 479944), (68, 268204), (76, 239972), (136, 134102), (152, 119986), (272, 67051), (304, 59993), (323, 56464), (646, 28232), (1292, 14116), (2584, 7058), (3529, 5168)]