18685315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{14771}}^1$

素因数の和:14810

約数の個数: 16

約数和(自身を含む): 25526016

約数和(自身を除く): 6840701

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 14771, 73855, 162481, 339733, 812405, 1698665, 3737063, 18685315]

約数ペア:

[(1, 18685315), (5, 3737063), (11, 1698665), (23, 812405), (55, 339733), (115, 162481), (253, 73855), (1265, 14771)]