18231785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 26345088

約数和(自身を除く): 8113303

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 593, 715, 2365, 2795, 2965, 6149, 6523, 7709, 25499, 30745, 32615, 38545, 84799, 127495, 280489, 331487, 423995, 1402445, 1657435, 3646357, 18231785]

約数ペア:

[(1, 18231785), (5, 3646357), (11, 1657435), (13, 1402445), (43, 423995), (55, 331487), (65, 280489), (143, 127495), (215, 84799), (473, 38545), (559, 32615), (593, 30745), (715, 25499), (2365, 7709), (2795, 6523), (2965, 6149)]