19798828

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7001}}^1$

素因数の和:7113

約数の個数: 24

約数和(自身を含む): 39995424

約数和(自身を除く): 20196596

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7001, 14002, 28004, 49007, 98014, 196028, 707101, 1414202, 2828404, 4949707, 9899414, 19798828]

約数ペア:

[(1, 19798828), (2, 9899414), (4, 4949707), (7, 2828404), (14, 1414202), (28, 707101), (101, 196028), (202, 98014), (404, 49007), (707, 28004), (1414, 14002), (2828, 7001)]