19769854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3821}}^1$

素因数の和:4035

約数の個数: 16

約数和(自身を含む): 32104800

約数和(自身を除く): 12334946

約数列:

[1, 2, 13, 26, 199, 398, 2587, 3821, 5174, 7642, 49673, 99346, 760379, 1520758, 9884927, 19769854]

約数ペア:

[(1, 19769854), (2, 9884927), (13, 1520758), (26, 760379), (199, 99346), (398, 49673), (2587, 7642), (3821, 5174)]