18287764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{415631}}^1$

素因数の和:415646

約数の個数: 12

約数和(自身を含む): 34913088

約数和(自身を除く): 16625324

約数列:

[1, 2, 4, 11, 22, 44, 415631, 831262, 1662524, 4571941, 9143882, 18287764]

約数ペア:

[(1, 18287764), (2, 9143882), (4, 4571941), (11, 1662524), (22, 831262), (44, 415631)]