18390595

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2011}}^1$

素因数の和:2106

約数の個数: 16

約数和(自身を含む): 23178240

約数和(自身を除く): 4787645

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2011, 9145, 10055, 62341, 118649, 311705, 593245, 3678119, 18390595]

約数ペア:

[(1, 18390595), (5, 3678119), (31, 593245), (59, 311705), (155, 118649), (295, 62341), (1829, 10055), (2011, 9145)]