19746571

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 2933429

約数列:

[1, 13, 17, 199, 221, 449, 2587, 3383, 5837, 7633, 43979, 89351, 99229, 1161563, 1518967, 19746571]

約数ペア:

[(1, 19746571), (13, 1518967), (17, 1161563), (199, 99229), (221, 89351), (449, 43979), (2587, 7633), (3383, 5837)]