19942000449

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{10099}}^1$

素因数の和:10243

約数の個数: 64

約数和(自身を含む): 32966400000

約数和(自身を除く): 13024399551

約数列:

[1, 3, 7, 19, 21, 49, 57, 101, 133, 147, 303, 343, 399, 707, 931, 1029, 1919, 2121, 2793, 4949, 5757, 6517, 10099, 13433, 14847, 19551, 30297, 34643, 40299, 70693, 94031, 103929, 191881, 212079, 282093, 494851, 575643, 658217, 1019999, 1343167, 1484553, 1974651, 3059997, 3463957, 4029501, 7139993, 9402169, 10391871, 19379981, 21419979, 28206507, 49979951, 58139943, 65815183, 135659867, 149939853, 197445549, 349859657, 406979601, 949619069, 1049578971, 2848857207, 6647333483, 19942000449]

約数ペア:

[(1, 19942000449), (3, 6647333483), (7, 2848857207), (19, 1049578971), (21, 949619069), (49, 406979601), (57, 349859657), (101, 197445549), (133, 149939853), (147, 135659867), (303, 65815183), (343, 58139943), (399, 49979951), (707, 28206507), (931, 21419979), (1029, 19379981), (1919, 10391871), (2121, 9402169), (2793, 7139993), (4949, 4029501), (5757, 3463957), (6517, 3059997), (10099, 1974651), (13433, 1484553), (14847, 1343167), (19551, 1019999), (30297, 658217), (34643, 575643), (40299, 494851), (70693, 282093), (94031, 212079), (103929, 191881)]