201911720005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1\times {\mathrm{2307167}}^1$

素因数の和:2307956

約数の個数: 16

約数和(自身を含む): 253160930304

約数和(自身を除く): 51249210299

約数列:

[1, 5, 23, 115, 761, 3805, 17503, 87515, 2307167, 11535835, 53064841, 265324205, 1755754087, 8778770435, 40382344001, 201911720005]

約数ペア:

[(1, 201911720005), (5, 40382344001), (23, 8778770435), (115, 1755754087), (761, 265324205), (3805, 53064841), (17503, 11535835), (87515, 2307167)]