19749597

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 32544000

約数和(自身を除く): 12794403

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1129, 2499, 3387, 5831, 7903, 17493, 19193, 23709, 55321, 57579, 134351, 165963, 387247, 403053, 940457, 1161741, 2821371, 6583199, 19749597]

約数ペア:

[(1, 19749597), (3, 6583199), (7, 2821371), (17, 1161741), (21, 940457), (49, 403053), (51, 387247), (119, 165963), (147, 134351), (343, 57579), (357, 55321), (833, 23709), (1029, 19193), (1129, 17493), (2499, 7903), (3387, 5831)]