18933115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 23493888

約数和(自身を除く): 4560773

約数列:

[1, 5, 43, 107, 215, 535, 823, 4115, 4601, 23005, 35389, 88061, 176945, 440305, 3786623, 18933115]

約数ペア:

[(1, 18933115), (5, 3786623), (43, 440305), (107, 176945), (215, 88061), (535, 35389), (823, 23005), (4115, 4601)]