18381265

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 26864640

約数和(自身を除く): 8483375

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 211, 655, 665, 917, 1055, 1477, 2489, 4009, 4585, 7385, 12445, 17423, 20045, 27641, 28063, 87115, 138205, 140315, 193487, 525179, 967435, 2625895, 3676253, 18381265]

約数ペア:

[(1, 18381265), (5, 3676253), (7, 2625895), (19, 967435), (35, 525179), (95, 193487), (131, 140315), (133, 138205), (211, 87115), (655, 28063), (665, 27641), (917, 20045), (1055, 17423), (1477, 12445), (2489, 7385), (4009, 4585)]