19703045264

素因数分解:

$2^4\times 7^1\times {\mathrm{563}}^1\times {\mathrm{312469}}^1$

素因数の和:313047

約数の個数: 40

約数和(自身を含む): 43705803840

約数和(自身を除く): 24002758576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 563, 1126, 2252, 3941, 4504, 7882, 9008, 15764, 31528, 63056, 312469, 624938, 1249876, 2187283, 2499752, 4374566, 4999504, 8749132, 17498264, 34996528, 175920047, 351840094, 703680188, 1231440329, 1407360376, 2462880658, 2814720752, 4925761316, 9851522632, 19703045264]

約数ペア:

[(1, 19703045264), (2, 9851522632), (4, 4925761316), (7, 2814720752), (8, 2462880658), (14, 1407360376), (16, 1231440329), (28, 703680188), (56, 351840094), (112, 175920047), (563, 34996528), (1126, 17498264), (2252, 8749132), (3941, 4999504), (4504, 4374566), (7882, 2499752), (9008, 2187283), (15764, 1249876), (31528, 624938), (63056, 312469)]