19679841

素因数分解:

$3^5\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 10109919

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 743, 981, 2229, 2943, 6687, 8829, 20061, 26487, 60183, 80987, 180549, 242961, 728883, 2186649, 6559947, 19679841]

約数ペア:

[(1, 19679841), (3, 6559947), (9, 2186649), (27, 728883), (81, 242961), (109, 180549), (243, 80987), (327, 60183), (743, 26487), (981, 20061), (2229, 8829), (2943, 6687)]