19944728

素因数分解:

$2^3\times {\mathrm{1181}}^1\times {\mathrm{2111}}^1$

素因数の和:3298

約数の個数: 16

約数和(自身を含む): 37445760

約数和(自身を除く): 17501032

約数列:

[1, 2, 4, 8, 1181, 2111, 2362, 4222, 4724, 8444, 9448, 16888, 2493091, 4986182, 9972364, 19944728]

約数ペア:

[(1, 19944728), (2, 9972364), (4, 4986182), (8, 2493091), (1181, 16888), (2111, 9448), (2362, 8444), (4222, 4724)]