19828328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{190657}}^1$

素因数の和:190676

約数の個数: 16

約数和(自身を含む): 40038180

約数和(自身を除く): 20209852

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 190657, 381314, 762628, 1525256, 2478541, 4957082, 9914164, 19828328]

約数ペア:

[(1, 19828328), (2, 9914164), (4, 4957082), (8, 2478541), (13, 1525256), (26, 762628), (52, 381314), (104, 190657)]