18806907395

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 23037696000

約数和(自身を除く): 4230788605

約数列:

[1, 5, 127, 149, 197, 635, 745, 985, 1009, 5045, 18923, 25019, 29353, 94615, 125095, 128143, 146765, 150341, 198773, 640715, 751705, 993865, 3727831, 18639155, 19093307, 25244171, 29617177, 95466535, 126220855, 148085885, 3761381479, 18806907395]

約数ペア:

[(1, 18806907395), (5, 3761381479), (127, 148085885), (149, 126220855), (197, 95466535), (635, 29617177), (745, 25244171), (985, 19093307), (1009, 18639155), (5045, 3727831), (18923, 993865), (25019, 751705), (29353, 640715), (94615, 198773), (125095, 150341), (128143, 146765)]