19783358

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 36837504

約数和(自身を除く): 17054146

約数列:

[1, 2, 7, 14, 23, 46, 49, 67, 98, 131, 134, 161, 262, 322, 469, 917, 938, 1127, 1541, 1834, 2254, 3013, 3082, 3283, 6026, 6419, 6566, 8777, 10787, 12838, 17554, 21091, 21574, 42182, 61439, 75509, 122878, 147637, 151018, 201871, 295274, 403742, 430073, 860146, 1413097, 2826194, 9891679, 19783358]

約数ペア:

[(1, 19783358), (2, 9891679), (7, 2826194), (14, 1413097), (23, 860146), (46, 430073), (49, 403742), (67, 295274), (98, 201871), (131, 151018), (134, 147637), (161, 122878), (262, 75509), (322, 61439), (469, 42182), (917, 21574), (938, 21091), (1127, 17554), (1541, 12838), (1834, 10787), (2254, 8777), (3013, 6566), (3082, 6419), (3283, 6026)]