19783475

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 25444800

約数和(自身を除く): 5661325

約数列:

[1, 5, 25, 47, 113, 149, 235, 565, 745, 1175, 2825, 3725, 5311, 7003, 16837, 26555, 35015, 84185, 132775, 175075, 420925, 791339, 3956695, 19783475]

約数ペア:

[(1, 19783475), (5, 3956695), (25, 791339), (47, 420925), (113, 175075), (149, 132775), (235, 84185), (565, 35015), (745, 26555), (1175, 16837), (2825, 7003), (3725, 5311)]