19959369531

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1\times {\mathrm{5939}}^1$

素因数の和:6379

約数の個数: 32

約数和(自身を含む): 27662342400

約数和(自身を除く): 7702972869

約数列:

[1, 3, 41, 89, 123, 267, 307, 921, 3649, 5939, 10947, 12587, 17817, 27323, 37761, 81969, 243499, 528571, 730497, 1120243, 1585713, 1823273, 3360729, 5469819, 21671411, 65014233, 74754193, 162271297, 224262579, 486813891, 6653123177, 19959369531]

約数ペア:

[(1, 19959369531), (3, 6653123177), (41, 486813891), (89, 224262579), (123, 162271297), (267, 74754193), (307, 65014233), (921, 21671411), (3649, 5469819), (5939, 3360729), (10947, 1823273), (12587, 1585713), (17817, 1120243), (27323, 730497), (37761, 528571), (81969, 243499)]