18439586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20443}}^1$

素因数の和:20497

約数の個数: 16

約数和(自身を含む): 30911328

約数和(自身を除く): 12471742

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20443, 40886, 224873, 449746, 838163, 1676326, 9219793, 18439586]

約数ペア:

[(1, 18439586), (2, 9219793), (11, 1676326), (22, 838163), (41, 449746), (82, 224873), (451, 40886), (902, 20443)]