19541392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93949}}^1$

素因数の和:93970

約数の個数: 20

約数和(自身を含む): 40774300

約数和(自身を除く): 21232908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93949, 187898, 375796, 751592, 1221337, 1503184, 2442674, 4885348, 9770696, 19541392]

約数ペア:

[(1, 19541392), (2, 9770696), (4, 4885348), (8, 2442674), (13, 1503184), (16, 1221337), (26, 751592), (52, 375796), (104, 187898), (208, 93949)]