19916673

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 12929151

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1187, 2397, 3561, 5593, 8309, 16779, 20179, 24927, 55789, 60537, 141253, 167367, 390523, 423759, 948413, 1171569, 2845239, 6638891, 19916673]

約数ペア:

[(1, 19916673), (3, 6638891), (7, 2845239), (17, 1171569), (21, 948413), (47, 423759), (51, 390523), (119, 167367), (141, 141253), (329, 60537), (357, 55789), (799, 24927), (987, 20179), (1187, 16779), (2397, 8309), (3561, 5593)]