18724816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{106391}}^1$

素因数の和:106410

約数の個数: 20

約数和(自身を含む): 39577824

約数和(自身を除く): 20853008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 106391, 212782, 425564, 851128, 1170301, 1702256, 2340602, 4681204, 9362408, 18724816]

約数ペア:

[(1, 18724816), (2, 9362408), (4, 4681204), (8, 2340602), (11, 1702256), (16, 1170301), (22, 851128), (44, 425564), (88, 212782), (176, 106391)]