18518335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{14639}}^1$

素因数の和:14678

約数の個数: 16

約数和(自身を含む): 25297920

約数和(自身を除く): 6779585

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 14639, 73195, 161029, 336697, 805145, 1683485, 3703667, 18518335]

約数ペア:

[(1, 18518335), (5, 3703667), (11, 1683485), (23, 805145), (55, 336697), (115, 161029), (253, 73195), (1265, 14639)]