2019912783

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{19993}}^1$

素因数の和:20303

約数の個数: 32

約数和(自身を含む): 3270698496

約数和(自身を除く): 1250785713

約数列:

[1, 3, 7, 17, 21, 51, 119, 283, 357, 849, 1981, 4811, 5943, 14433, 19993, 33677, 59979, 101031, 139951, 339881, 419853, 1019643, 2379167, 5658019, 7137501, 16974057, 39606133, 96186323, 118818399, 288558969, 673304261, 2019912783]

約数ペア:

[(1, 2019912783), (3, 673304261), (7, 288558969), (17, 118818399), (21, 96186323), (51, 39606133), (119, 16974057), (283, 7137501), (357, 5658019), (849, 2379167), (1981, 1019643), (4811, 419853), (5943, 339881), (14433, 139951), (19993, 101031), (33677, 59979)]