18080260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82183}}^1$

素因数の和:82203

約数の個数: 24

約数和(自身を含む): 41420736

約数和(自身を除く): 23340476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82183, 164366, 328732, 410915, 821830, 904013, 1643660, 1808026, 3616052, 4520065, 9040130, 18080260]

約数ペア:

[(1, 18080260), (2, 9040130), (4, 4520065), (5, 3616052), (10, 1808026), (11, 1643660), (20, 904013), (22, 821830), (44, 410915), (55, 328732), (110, 164366), (220, 82183)]