19954809

素因数分解:

$3^3\times 7^2\times {\mathrm{15083}}^1$

素因数の和:15106

約数の個数: 24

約数和(自身を含む): 34391520

約数和(自身を除く): 14436711

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15083, 45249, 105581, 135747, 316743, 407241, 739067, 950229, 2217201, 2850687, 6651603, 19954809]

約数ペア:

[(1, 19954809), (3, 6651603), (7, 2850687), (9, 2217201), (21, 950229), (27, 739067), (49, 407241), (63, 316743), (147, 135747), (189, 105581), (441, 45249), (1323, 15083)]