18753865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9949}}^1$

素因数の和:9996

約数の個数: 16

約数和(自身を含む): 25074000

約数和(自身を除く): 6320135

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 9949, 49745, 129337, 288521, 646685, 1442605, 3750773, 18753865]

約数ペア:

[(1, 18753865), (5, 3750773), (13, 1442605), (29, 646685), (65, 288521), (145, 129337), (377, 49745), (1885, 9949)]