19923663

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3767}}^1$

素因数の和:3854

約数の個数: 16

約数和(自身を含む): 27853056

約数和(自身を除く): 7929393

約数列:

[1, 3, 41, 43, 123, 129, 1763, 3767, 5289, 11301, 154447, 161981, 463341, 485943, 6641221, 19923663]

約数ペア:

[(1, 19923663), (3, 6641221), (41, 485943), (43, 463341), (123, 161981), (129, 154447), (1763, 11301), (3767, 5289)]