18894854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2659}}^1$

素因数の和:2708

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 15578746

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2659, 3553, 5318, 7106, 29249, 45203, 50521, 58498, 90406, 101042, 497233, 555731, 858857, 994466, 1111462, 1717714, 9447427, 18894854]

約数ペア:

[(1, 18894854), (2, 9447427), (11, 1717714), (17, 1111462), (19, 994466), (22, 858857), (34, 555731), (38, 497233), (187, 101042), (209, 90406), (323, 58498), (374, 50521), (418, 45203), (646, 29249), (2659, 7106), (3553, 5318)]