18754820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133963}}^1$

素因数の和:133979

約数の個数: 24

約数和(自身を含む): 45011904

約数和(自身を除く): 26257084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133963, 267926, 535852, 669815, 937741, 1339630, 1875482, 2679260, 3750964, 4688705, 9377410, 18754820]

約数ペア:

[(1, 18754820), (2, 9377410), (4, 4688705), (5, 3750964), (7, 2679260), (10, 1875482), (14, 1339630), (20, 937741), (28, 669815), (35, 535852), (70, 267926), (140, 133963)]