18002881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 21644280

約数和(自身を除く): 3641399

約数列:

[1, 13, 17, 29, 53, 221, 377, 493, 689, 901, 1537, 2809, 6409, 11713, 19981, 26129, 36517, 47753, 81461, 339677, 620789, 1058993, 1384837, 18002881]

約数ペア:

[(1, 18002881), (13, 1384837), (17, 1058993), (29, 620789), (53, 339677), (221, 81461), (377, 47753), (493, 36517), (689, 26129), (901, 19981), (1537, 11713), (2809, 6409)]