19453887

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 28782000

約数和(自身を除く): 9328113

約数列:

[1, 3, 9, 89, 149, 163, 267, 447, 489, 801, 1341, 1467, 13261, 14507, 24287, 39783, 43521, 72861, 119349, 130563, 218583, 2161543, 6484629, 19453887]

約数ペア:

[(1, 19453887), (3, 6484629), (9, 2161543), (89, 218583), (149, 130563), (163, 119349), (267, 72861), (447, 43521), (489, 39783), (801, 24287), (1341, 14507), (1467, 13261)]