18589636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 36

約数和(自身を含む): 37246468

約数和(自身を除く): 18656832

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1237, 2474, 3757, 4948, 7514, 15028, 16081, 21029, 32162, 42058, 64324, 84116, 273377, 357493, 546754, 714986, 1093508, 1429972, 4647409, 9294818, 18589636]

約数ペア:

[(1, 18589636), (2, 9294818), (4, 4647409), (13, 1429972), (17, 1093508), (26, 714986), (34, 546754), (52, 357493), (68, 273377), (221, 84116), (289, 64324), (442, 42058), (578, 32162), (884, 21029), (1156, 16081), (1237, 15028), (2474, 7514), (3757, 4948)]