19717214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4019}}^1$

素因数の和:4255

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 12700066

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4019, 4906, 8038, 44209, 88418, 896237, 1792474, 9858607, 19717214]

約数ペア:

[(1, 19717214), (2, 9858607), (11, 1792474), (22, 896237), (223, 88418), (446, 44209), (2453, 8038), (4019, 4906)]