19999531

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 22161600

約数和(自身を除く): 2162069

約数列:

[1, 17, 29, 113, 359, 493, 1921, 3277, 6103, 10411, 40567, 55709, 176987, 689639, 1176443, 19999531]

約数ペア:

[(1, 19999531), (17, 1176443), (29, 689639), (113, 176987), (359, 55709), (493, 40567), (1921, 10411), (3277, 6103)]