18804519940

素因数分解:

$2^2\times 5^1\times {\mathrm{35311}}^1\times {\mathrm{26627}}^1$

素因数の和:61947

約数の個数: 24

約数和(自身を含む): 39492093312

約数和(自身を除く): 20687573372

約数列:

[1, 2, 4, 5, 10, 20, 26627, 35311, 53254, 70622, 106508, 133135, 141244, 176555, 266270, 353110, 532540, 706220, 940225997, 1880451994, 3760903988, 4701129985, 9402259970, 18804519940]

約数ペア:

[(1, 18804519940), (2, 9402259970), (4, 4701129985), (5, 3760903988), (10, 1880451994), (20, 940225997), (26627, 706220), (35311, 532540), (53254, 353110), (70622, 266270), (106508, 176555), (133135, 141244)]