19218423

素因数分解:

$3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1009}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 29346560

約数和(自身を除く): 10128137

約数列:

[1, 3, 7, 21, 907, 1009, 2721, 3027, 6349, 7063, 19047, 21189, 915163, 2745489, 6406141, 19218423]

約数ペア:

[(1, 19218423), (3, 6406141), (7, 2745489), (21, 915163), (907, 21189), (1009, 19047), (2721, 7063), (3027, 6349)]