20181496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4283}}^1$

素因数の和:4339

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 20944904

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4283, 4712, 8566, 17132, 34264, 81377, 132773, 162754, 265546, 325508, 531092, 651016, 1062184, 2522687, 5045374, 10090748, 20181496]

約数ペア:

[(1, 20181496), (2, 10090748), (4, 5045374), (8, 2522687), (19, 1062184), (31, 651016), (38, 531092), (62, 325508), (76, 265546), (124, 162754), (152, 132773), (248, 81377), (589, 34264), (1178, 17132), (2356, 8566), (4283, 4712)]