18893264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90833}}^1$

素因数の和:90854

約数の個数: 20

約数和(自身を含む): 39421956

約数和(自身を除く): 20528692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90833, 181666, 363332, 726664, 1180829, 1453328, 2361658, 4723316, 9446632, 18893264]

約数ペア:

[(1, 18893264), (2, 9446632), (4, 4723316), (8, 2361658), (13, 1453328), (16, 1180829), (26, 726664), (52, 363332), (104, 181666), (208, 90833)]