19750473

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2237}}^1$

素因数の和:2358

約数の個数: 20

約数和(自身を含む): 29787780

約数和(自身を除く): 10037307

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2237, 2943, 6711, 8829, 20133, 60399, 181197, 243833, 731499, 2194497, 6583491, 19750473]

約数ペア:

[(1, 19750473), (3, 6583491), (9, 2194497), (27, 731499), (81, 243833), (109, 181197), (327, 60399), (981, 20133), (2237, 8829), (2943, 6711)]