18214939580

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1870117}}^1$

素因数の和:1870613

約数の個数: 24

約数和(自身を含む): 38329938528

約数和(自身を除く): 20114998948

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 1870117, 3740234, 7480468, 9350585, 18701170, 37402340, 910746979, 1821493958, 3642987916, 4553734895, 9107469790, 18214939580]

約数ペア:

[(1, 18214939580), (2, 9107469790), (4, 4553734895), (5, 3642987916), (10, 1821493958), (20, 910746979), (487, 37402340), (974, 18701170), (1948, 9350585), (2435, 7480468), (4870, 3740234), (9740, 1870117)]