19743717

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7069}}^1$

素因数の和:7105

約数の個数: 24

約数和(自身を含む): 32239200

約数和(自身を除く): 12495483

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7069, 21207, 49483, 134311, 148449, 346381, 402933, 940177, 1039143, 2820531, 6581239, 19743717]

約数ペア:

[(1, 19743717), (3, 6581239), (7, 2820531), (19, 1039143), (21, 940177), (49, 402933), (57, 346381), (133, 148449), (147, 134311), (399, 49483), (931, 21207), (2793, 7069)]