19906983

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5657}}^1$

素因数の和:5703

約数の個数: 24

約数和(自身を含む): 31775328

約数和(自身を除く): 11868345

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5657, 16971, 50913, 96169, 130111, 288507, 390333, 865521, 1170999, 2211887, 6635661, 19906983]

約数ペア:

[(1, 19906983), (3, 6635661), (9, 2211887), (17, 1170999), (23, 865521), (51, 390333), (69, 288507), (153, 130111), (207, 96169), (391, 50913), (1173, 16971), (3519, 5657)]