19561743

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 29702400

約数和(自身を除く): 10140657

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 1019, 2133, 3057, 6399, 9171, 19197, 27513, 80501, 82539, 241503, 247617, 724509, 2173527, 6520581, 19561743]

約数ペア:

[(1, 19561743), (3, 6520581), (9, 2173527), (27, 724509), (79, 247617), (81, 241503), (237, 82539), (243, 80501), (711, 27513), (1019, 19197), (2133, 9171), (3057, 6399)]