19521103664

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3686009}}^1$

素因数の和:3686348

約数の個数: 20

約数和(自身を含む): 37936414920

約数和(自身を除く): 18415311256

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 3686009, 7372018, 14744036, 29488072, 58976144, 1220068979, 2440137958, 4880275916, 9760551832, 19521103664]

約数ペア:

[(1, 19521103664), (2, 9760551832), (4, 4880275916), (8, 2440137958), (16, 1220068979), (331, 58976144), (662, 29488072), (1324, 14744036), (2648, 7372018), (5296, 3686009)]