19915596

素因数分解:

$2^2\times 3^2\times {\mathrm{553211}}^1$

素因数の和:553221

約数の個数: 18

約数和(自身を含む): 50342292

約数和(自身を除く): 30426696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553211, 1106422, 1659633, 2212844, 3319266, 4978899, 6638532, 9957798, 19915596]

約数ペア:

[(1, 19915596), (2, 9957798), (3, 6638532), (4, 4978899), (6, 3319266), (9, 2212844), (12, 1659633), (18, 1106422), (36, 553211)]