19815372

素因数分解:

$2^2\times 3^2\times {\mathrm{550427}}^1$

素因数の和:550437

約数の個数: 18

約数和(自身を含む): 50088948

約数和(自身を除く): 30273576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550427, 1100854, 1651281, 2201708, 3302562, 4953843, 6605124, 9907686, 19815372]

約数ペア:

[(1, 19815372), (2, 9907686), (3, 6605124), (4, 4953843), (6, 3302562), (9, 2201708), (12, 1651281), (18, 1100854), (36, 550427)]