19452717

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 30728192

約数和(自身を除く): 11275475

約数列:

[1, 3, 9, 27, 31, 61, 81, 93, 127, 183, 279, 381, 549, 837, 1143, 1647, 1891, 2511, 3429, 3937, 4941, 5673, 7747, 10287, 11811, 17019, 23241, 35433, 51057, 69723, 106299, 153171, 209169, 240157, 318897, 627507, 720471, 2161413, 6484239, 19452717]

約数ペア:

[(1, 19452717), (3, 6484239), (9, 2161413), (27, 720471), (31, 627507), (61, 318897), (81, 240157), (93, 209169), (127, 153171), (183, 106299), (279, 69723), (381, 51057), (549, 35433), (837, 23241), (1143, 17019), (1647, 11811), (1891, 10287), (2511, 7747), (3429, 5673), (3937, 4941)]