18448904

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21157}}^1$

素因数の和:21272

約数の個数: 16

約数和(自身を含む): 34910700

約数和(自身を除く): 16461796

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21157, 42314, 84628, 169256, 2306113, 4612226, 9224452, 18448904]

約数ペア:

[(1, 18448904), (2, 9224452), (4, 4612226), (8, 2306113), (109, 169256), (218, 84628), (436, 42314), (872, 21157)]