18897268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21377}}^1$

素因数の和:21411

約数の個数: 24

約数和(自身を含む): 37710792

約数和(自身を除く): 18813524

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21377, 42754, 85508, 277901, 363409, 555802, 726818, 1111604, 1453636, 4724317, 9448634, 18897268]

約数ペア:

[(1, 18897268), (2, 9448634), (4, 4724317), (13, 1453636), (17, 1111604), (26, 726818), (34, 555802), (52, 363409), (68, 277901), (221, 85508), (442, 42754), (884, 21377)]