19922031

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5233}}^1$

素因数の和:5292

約数の個数: 20

約数和(自身を含む): 30399072

約数和(自身を除く): 10477041

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5233, 15699, 47097, 141291, 245951, 423873, 737853, 2213559, 6640677, 19922031]

約数ペア:

[(1, 19922031), (3, 6640677), (9, 2213559), (27, 737853), (47, 423873), (81, 245951), (141, 141291), (423, 47097), (1269, 15699), (3807, 5233)]