18457645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2003}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 23567040

約数和(自身を除く): 5109395

約数列:

[1, 5, 19, 95, 97, 485, 1843, 2003, 9215, 10015, 38057, 190285, 194291, 971455, 3691529, 18457645]

約数ペア:

[(1, 18457645), (5, 3691529), (19, 971455), (95, 194291), (97, 190285), (485, 38057), (1843, 10015), (2003, 9215)]