19912428

素因数分解:

$2^2\times 3^2\times {\mathrm{553123}}^1$

素因数の和:553133

約数の個数: 18

約数和(自身を含む): 50334284

約数和(自身を除く): 30421856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553123, 1106246, 1659369, 2212492, 3318738, 4978107, 6637476, 9956214, 19912428]

約数ペア:

[(1, 19912428), (2, 9956214), (3, 6637476), (4, 4978107), (6, 3318738), (9, 2212492), (12, 1659369), (18, 1106246), (36, 553123)]