18892115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6481}}^1$

素因数の和:6550

約数の個数: 16

約数和(自身を含む): 25202016

約数和(自身を除く): 6309901

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 6481, 32405, 71291, 343493, 356455, 1717465, 3778423, 18892115]

約数ペア:

[(1, 18892115), (5, 3778423), (11, 1717465), (53, 356455), (55, 343493), (265, 71291), (583, 32405), (2915, 6481)]