19818604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3001}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 37657088

約数和(自身を除く): 17838484

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3001, 3302, 6002, 6604, 12004, 39013, 78026, 156052, 381127, 762254, 1524508, 4954651, 9909302, 19818604]

約数ペア:

[(1, 19818604), (2, 9909302), (4, 4954651), (13, 1524508), (26, 762254), (52, 381127), (127, 156052), (254, 78026), (508, 39013), (1651, 12004), (3001, 6604), (3302, 6002)]