18103735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4157}}^1$

素因数の和:4242

約数の個数: 16

約数和(自身を含む): 23750496

約数和(自身を除く): 5646761

約数列:

[1, 5, 13, 65, 67, 335, 871, 4157, 4355, 20785, 54041, 270205, 278519, 1392595, 3620747, 18103735]

約数ペア:

[(1, 18103735), (5, 3620747), (13, 1392595), (65, 278519), (67, 270205), (335, 54041), (871, 20785), (4157, 4355)]