18644660

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{4001}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 39331656

約数和(自身を除く): 20686996

約数列:

[1, 2, 4, 5, 10, 20, 233, 466, 932, 1165, 2330, 4001, 4660, 8002, 16004, 20005, 40010, 80020, 932233, 1864466, 3728932, 4661165, 9322330, 18644660]

約数ペア:

[(1, 18644660), (2, 9322330), (4, 4661165), (5, 3728932), (10, 1864466), (20, 932233), (233, 80020), (466, 40010), (932, 20005), (1165, 16004), (2330, 8002), (4001, 4660)]