18885898

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5197}}^1$

素因数の和:5301

約数の個数: 16

約数和(自身を含む): 29940480

約数和(自身を除く): 11054582

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5197, 10394, 119531, 239062, 410563, 821126, 9442949, 18885898]

約数ペア:

[(1, 18885898), (2, 9442949), (23, 821126), (46, 410563), (79, 239062), (158, 119531), (1817, 10394), (3634, 5197)]