18947606

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4255

約数の個数: 16

約数和(自身を含む): 29638224

約数和(自身を除く): 10690618

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4157, 4558, 8314, 178751, 220321, 357502, 440642, 9473803, 18947606]

約数ペア:

[(1, 18947606), (2, 9473803), (43, 440642), (53, 357502), (86, 220321), (106, 178751), (2279, 8314), (4157, 4558)]