19700967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2463

約数の個数: 32

約数和(自身を含む): 32497920

約数和(自身を除く): 12796953

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2417, 2717, 7251, 8151, 26587, 31421, 45923, 79761, 94263, 137769, 345631, 505153, 596999, 1036893, 1515459, 1790997, 6566989, 19700967]

約数ペア:

[(1, 19700967), (3, 6566989), (11, 1790997), (13, 1515459), (19, 1036893), (33, 596999), (39, 505153), (57, 345631), (143, 137769), (209, 94263), (247, 79761), (429, 45923), (627, 31421), (741, 26587), (2417, 8151), (2717, 7251)]