18804860

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1549}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 39580800

約数和(自身を除く): 20775940

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 1549, 2428, 3035, 3098, 6070, 6196, 7745, 12140, 15490, 30980, 940243, 1880486, 3760972, 4701215, 9402430, 18804860]

約数ペア:

[(1, 18804860), (2, 9402430), (4, 4701215), (5, 3760972), (10, 1880486), (20, 940243), (607, 30980), (1214, 15490), (1549, 12140), (2428, 7745), (3035, 6196), (3098, 6070)]