19992655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 25365600

約数和(自身を除く): 5372945

約数列:

[1, 5, 19, 95, 389, 541, 1945, 2705, 7391, 10279, 36955, 51395, 210449, 1052245, 3998531, 19992655]

約数ペア:

[(1, 19992655), (5, 3998531), (19, 1052245), (95, 210449), (389, 51395), (541, 36955), (1945, 10279), (2705, 7391)]