19927066

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:1029

約数の個数: 16

約数和(自身を含む): 30744000

約数和(自身を除く): 10816934

約数列:

[1, 2, 41, 82, 487, 499, 974, 998, 19967, 20459, 39934, 40918, 243013, 486026, 9963533, 19927066]

約数ペア:

[(1, 19927066), (2, 9963533), (41, 486026), (82, 243013), (487, 40918), (499, 39934), (974, 20459), (998, 19967)]