18720606

素因数分解:

$2^1\times 3^1\times {\mathrm{449}}^1\times {\mathrm{6949}}^1$

素因数の和:7403

約数の個数: 16

約数和(自身を含む): 37530000

約数和(自身を除く): 18809394

約数列:

[1, 2, 3, 6, 449, 898, 1347, 2694, 6949, 13898, 20847, 41694, 3120101, 6240202, 9360303, 18720606]

約数ペア:

[(1, 18720606), (2, 9360303), (3, 6240202), (6, 3120101), (449, 41694), (898, 20847), (1347, 13898), (2694, 6949)]