18813220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55333}}^1$

素因数の和:55359

約数の個数: 24

約数和(自身を含む): 41832504

約数和(自身を除く): 23019284

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55333, 110666, 221332, 276665, 553330, 940661, 1106660, 1881322, 3762644, 4703305, 9406610, 18813220]

約数ペア:

[(1, 18813220), (2, 9406610), (4, 4703305), (5, 3762644), (10, 1881322), (17, 1106660), (20, 940661), (34, 553330), (68, 276665), (85, 221332), (170, 110666), (340, 55333)]