19757036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20033

約数の個数: 24

約数和(自身を含む): 39196080

約数和(自身を除く): 19439044

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19997, 39994, 79988, 259961, 379943, 519922, 759886, 1039844, 1519772, 4939259, 9878518, 19757036]

約数ペア:

[(1, 19757036), (2, 9878518), (4, 4939259), (13, 1519772), (19, 1039844), (26, 759886), (38, 519922), (52, 379943), (76, 259961), (247, 79988), (494, 39994), (988, 19997)]