19664138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2617}}^1$

素因数の和:2666

約数の個数: 24

約数和(自身を含む): 33756492

約数和(自身を除く): 14092354

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2617, 3757, 5234, 7514, 34021, 44489, 68042, 88978, 578357, 756313, 1156714, 1512626, 9832069, 19664138]

約数ペア:

[(1, 19664138), (2, 9832069), (13, 1512626), (17, 1156714), (26, 756313), (34, 578357), (221, 88978), (289, 68042), (442, 44489), (578, 34021), (2617, 7514), (3757, 5234)]