2018648540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5312233}}^1$

素因数の和:5312261

約数の個数: 24

約数和(自身を含む): 4462276560

約数和(自身を除く): 2443628020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5312233, 10624466, 21248932, 26561165, 53122330, 100932427, 106244660, 201864854, 403729708, 504662135, 1009324270, 2018648540]

約数ペア:

[(1, 2018648540), (2, 1009324270), (4, 504662135), (5, 403729708), (10, 201864854), (19, 106244660), (20, 100932427), (38, 53122330), (76, 26561165), (95, 21248932), (190, 10624466), (380, 5312233)]