19265967

素因数分解:

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

素因数の和:185

約数の個数: 36

約数和(自身を含む): 32869200

約数和(自身を除く): 13603233

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 343, 441, 553, 711, 1029, 1659, 3087, 3871, 4977, 6241, 11613, 18723, 27097, 34839, 43687, 56169, 81291, 131061, 243873, 305809, 393183, 917427, 2140663, 2752281, 6421989, 19265967]

約数ペア:

[(1, 19265967), (3, 6421989), (7, 2752281), (9, 2140663), (21, 917427), (49, 393183), (63, 305809), (79, 243873), (147, 131061), (237, 81291), (343, 56169), (441, 43687), (553, 34839), (711, 27097), (1029, 18723), (1659, 11613), (3087, 6241), (3871, 4977)]