19899444

素因数分解:

$2^2\times 3^1\times {\mathrm{727}}^1\times {\mathrm{2281}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 46516288

約数和(自身を除く): 26616844

約数列:

[1, 2, 3, 4, 6, 12, 727, 1454, 2181, 2281, 2908, 4362, 4562, 6843, 8724, 9124, 13686, 27372, 1658287, 3316574, 4974861, 6633148, 9949722, 19899444]

約数ペア:

[(1, 19899444), (2, 9949722), (3, 6633148), (4, 4974861), (6, 3316574), (12, 1658287), (727, 27372), (1454, 13686), (2181, 9124), (2281, 8724), (2908, 6843), (4362, 4562)]