19809612

素因数分解:

$2^2\times 3^2\times {\mathrm{550267}}^1$

素因数の和:550277

約数の個数: 18

約数和(自身を含む): 50074388

約数和(自身を除く): 30264776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550267, 1100534, 1650801, 2201068, 3301602, 4952403, 6603204, 9904806, 19809612]

約数ペア:

[(1, 19809612), (2, 9904806), (3, 6603204), (4, 4952403), (6, 3301602), (9, 2201068), (12, 1650801), (18, 1100534), (36, 550267)]