19157048673

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1649621}}^1$

素因数の和:1649717

約数の個数: 24

約数和(自身を含む): 30089105280

約数和(自身を除く): 10932056607

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 1649621, 4948863, 11547347, 34642041, 80831429, 130320059, 242494287, 390960177, 912240413, 2736721239, 6385682891, 19157048673]

約数ペア:

[(1, 19157048673), (3, 6385682891), (7, 2736721239), (21, 912240413), (49, 390960177), (79, 242494287), (147, 130320059), (237, 80831429), (553, 34642041), (1659, 11547347), (3871, 4948863), (11613, 1649621)]