19766061

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 35152000

約数和(自身を除く): 15385939

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 337, 343, 399, 441, 931, 1011, 1029, 1197, 2359, 2793, 3033, 3087, 6403, 6517, 7077, 8379, 16513, 19209, 19551, 21231, 44821, 49539, 57627, 58653, 115591, 134463, 148617, 313747, 346773, 403389, 941241, 1040319, 2196229, 2823723, 6588687, 19766061]

約数ペア:

[(1, 19766061), (3, 6588687), (7, 2823723), (9, 2196229), (19, 1040319), (21, 941241), (49, 403389), (57, 346773), (63, 313747), (133, 148617), (147, 134463), (171, 115591), (337, 58653), (343, 57627), (399, 49539), (441, 44821), (931, 21231), (1011, 19551), (1029, 19209), (1197, 16513), (2359, 8379), (2793, 7077), (3033, 6517), (3087, 6403)]