19489824985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^3\times {\mathrm{2459}}^1$

素因数の和:2610

約数の個数: 32

約数和(自身を含む): 25024930560

約数和(自身を除く): 5535105575

約数列:

[1, 5, 23, 41, 115, 205, 943, 1681, 2459, 4715, 8405, 12295, 38663, 56557, 68921, 100819, 193315, 282785, 344605, 504095, 1585183, 2318837, 4133579, 7925915, 11594185, 20667895, 95072317, 169476739, 475361585, 847383695, 3897964997, 19489824985]

約数ペア:

[(1, 19489824985), (5, 3897964997), (23, 847383695), (41, 475361585), (115, 169476739), (205, 95072317), (943, 20667895), (1681, 11594185), (2459, 7925915), (4715, 4133579), (8405, 2318837), (12295, 1585183), (38663, 504095), (56557, 344605), (68921, 282785), (100819, 193315)]