19709924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12227}}^1$

素因数の和:12275

約数の個数: 24

約数和(自身を含む): 38347008

約数和(自身を除く): 18637084

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12227, 24454, 48908, 158951, 317902, 379037, 635804, 758074, 1516148, 4927481, 9854962, 19709924]

約数ペア:

[(1, 19709924), (2, 9854962), (4, 4927481), (13, 1516148), (26, 758074), (31, 635804), (52, 379037), (62, 317902), (124, 158951), (403, 48908), (806, 24454), (1612, 12227)]