19631996

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{1319}}^1$

素因数の和:1445

約数の個数: 18

約数和(自身を含む): 34954920

約数和(自身を除く): 15322924

約数列:

[1, 2, 4, 61, 122, 244, 1319, 2638, 3721, 5276, 7442, 14884, 80459, 160918, 321836, 4907999, 9815998, 19631996]

約数ペア:

[(1, 19631996), (2, 9815998), (4, 4907999), (61, 321836), (122, 160918), (244, 80459), (1319, 14884), (2638, 7442), (3721, 5276)]