18722992

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22079}}^1$

素因数の和:22140

約数の個数: 20

約数和(自身を含む): 36961920

約数和(自身を除く): 18238928

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22079, 44158, 88316, 176632, 353264, 1170187, 2340374, 4680748, 9361496, 18722992]

約数ペア:

[(1, 18722992), (2, 9361496), (4, 4680748), (8, 2340374), (16, 1170187), (53, 353264), (106, 176632), (212, 88316), (424, 44158), (848, 22079)]