18863972

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 34006392

約数和(自身を除く): 15142420

約数列:

[1, 2, 4, 53, 101, 106, 202, 212, 404, 881, 1762, 3524, 5353, 10706, 21412, 46693, 88981, 93386, 177962, 186772, 355924, 4715993, 9431986, 18863972]

約数ペア:

[(1, 18863972), (2, 9431986), (4, 4715993), (53, 355924), (101, 186772), (106, 177962), (202, 93386), (212, 88981), (404, 46693), (881, 21412), (1762, 10706), (3524, 5353)]