18659285

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 24498600

約数和(自身を除く): 5839315

約数列:

[1, 5, 17, 37, 85, 185, 289, 349, 629, 1445, 1745, 3145, 5933, 10693, 12913, 29665, 53465, 64565, 100861, 219521, 504305, 1097605, 3731857, 18659285]

約数ペア:

[(1, 18659285), (5, 3731857), (17, 1097605), (37, 504305), (85, 219521), (185, 100861), (289, 64565), (349, 53465), (629, 29665), (1445, 12913), (1745, 10693), (3145, 5933)]