18913774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37379}}^1$

素因数の和:37415

約数の個数: 16

約数和(自身を含む): 32296320

約数和(自身を除く): 13382546

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37379, 74758, 411169, 822338, 859717, 1719434, 9456887, 18913774]

約数ペア:

[(1, 18913774), (2, 9456887), (11, 1719434), (22, 859717), (23, 822338), (46, 411169), (253, 74758), (506, 37379)]