19972692

素因数分解:

$2^2\times 3^2\times {\mathrm{554797}}^1$

素因数の和:554807

約数の個数: 18

約数和(自身を含む): 50486618

約数和(自身を除く): 30513926

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554797, 1109594, 1664391, 2219188, 3328782, 4993173, 6657564, 9986346, 19972692]

約数ペア:

[(1, 19972692), (2, 9986346), (3, 6657564), (4, 4993173), (6, 3328782), (9, 2219188), (12, 1664391), (18, 1109594), (36, 554797)]