18708035

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 4661437

約数列:

[1, 5, 31, 137, 155, 685, 881, 4247, 4405, 21235, 27311, 120697, 136555, 603485, 3741607, 18708035]

約数ペア:

[(1, 18708035), (5, 3741607), (31, 603485), (137, 136555), (155, 120697), (685, 27311), (881, 21235), (4247, 4405)]