19995213

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56009}}^1$

素因数の和:56036

約数の個数: 16

約数和(自身を含む): 32261760

約数和(自身を除く): 12266547

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56009, 168027, 392063, 952153, 1176189, 2856459, 6665071, 19995213]

約数ペア:

[(1, 19995213), (3, 6665071), (7, 2856459), (17, 1176189), (21, 952153), (51, 392063), (119, 168027), (357, 56009)]