18705115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26161}}^1$

素因数の和:26190

約数の個数: 16

約数和(自身を含む): 26371296

約数和(自身を除く): 7666181

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 26161, 130805, 287771, 340093, 1438855, 1700465, 3741023, 18705115]

約数ペア:

[(1, 18705115), (5, 3741023), (11, 1700465), (13, 1438855), (55, 340093), (65, 287771), (143, 130805), (715, 26161)]