19872356

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7027}}^1$

素因数の和:7139

約数の個数: 24

約数和(自身を含む): 40143936

約数和(自身を除く): 20271580

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7027, 14054, 28108, 49189, 98378, 196756, 709727, 1419454, 2838908, 4968089, 9936178, 19872356]

約数ペア:

[(1, 19872356), (2, 9936178), (4, 4968089), (7, 2838908), (14, 1419454), (28, 709727), (101, 196756), (202, 98378), (404, 49189), (707, 28108), (1414, 14054), (2828, 7027)]