19968372

素因数分解:

$2^2\times 3^2\times {\mathrm{554677}}^1$

素因数の和:554687

約数の個数: 18

約数和(自身を含む): 50475698

約数和(自身を除く): 30507326

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554677, 1109354, 1664031, 2218708, 3328062, 4992093, 6656124, 9984186, 19968372]

約数ペア:

[(1, 19968372), (2, 9984186), (3, 6656124), (4, 4992093), (6, 3328062), (9, 2218708), (12, 1664031), (18, 1109354), (36, 554677)]