19171919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 21552384

約数和(自身を除く): 2380465

約数列:

[1, 13, 31, 113, 403, 421, 1469, 3503, 5473, 13051, 45539, 47573, 169663, 618449, 1474763, 19171919]

約数ペア:

[(1, 19171919), (13, 1474763), (31, 618449), (113, 169663), (403, 47573), (421, 45539), (1469, 13051), (3503, 5473)]