18690224

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8783}}^1$

素因数の和:8817

約数の個数: 40

約数和(自身を含む): 43568640

約数和(自身を除く): 24878416

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8783, 17566, 35132, 61481, 70264, 122962, 140528, 166877, 245924, 333754, 491848, 667508, 983696, 1168139, 1335016, 2336278, 2670032, 4672556, 9345112, 18690224]

約数ペア:

[(1, 18690224), (2, 9345112), (4, 4672556), (7, 2670032), (8, 2336278), (14, 1335016), (16, 1168139), (19, 983696), (28, 667508), (38, 491848), (56, 333754), (76, 245924), (112, 166877), (133, 140528), (152, 122962), (266, 70264), (304, 61481), (532, 35132), (1064, 17566), (2128, 8783)]