19145764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{435131}}^1$

素因数の和:435146

約数の個数: 12

約数和(自身を含む): 36551088

約数和(自身を除く): 17405324

約数列:

[1, 2, 4, 11, 22, 44, 435131, 870262, 1740524, 4786441, 9572882, 19145764]

約数ペア:

[(1, 19145764), (2, 9572882), (4, 4786441), (11, 1740524), (22, 870262), (44, 435131)]