19715962

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{2137}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 33865920

約数和(自身を除く): 14149958

約数列:

[1, 2, 7, 14, 659, 1318, 2137, 4274, 4613, 9226, 14959, 29918, 1408283, 2816566, 9857981, 19715962]

約数ペア:

[(1, 19715962), (2, 9857981), (7, 2816566), (14, 1408283), (659, 29918), (1318, 14959), (2137, 9226), (4274, 4613)]