19965492

素因数分解:

$2^2\times 3^2\times {\mathrm{554597}}^1$

素因数の和:554607

約数の個数: 18

約数和(自身を含む): 50468418

約数和(自身を除く): 30502926

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554597, 1109194, 1663791, 2218388, 3327582, 4991373, 6655164, 9982746, 19965492]

約数ペア:

[(1, 19965492), (2, 9982746), (3, 6655164), (4, 4991373), (6, 3327582), (9, 2218388), (12, 1663791), (18, 1109194), (36, 554597)]