19903014

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1709}}^1$

素因数の和:2364

約数の個数: 24

約数和(自身を含む): 43215120

約数和(自身を除く): 23312106

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1709, 1941, 3418, 3882, 5127, 5823, 10254, 11646, 15381, 30762, 1105723, 2211446, 3317169, 6634338, 9951507, 19903014]

約数ペア:

[(1, 19903014), (2, 9951507), (3, 6634338), (6, 3317169), (9, 2211446), (18, 1105723), (647, 30762), (1294, 15381), (1709, 11646), (1941, 10254), (3418, 5823), (3882, 5127)]