19138625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 26956800

約数和(自身を除く): 7818175

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 341, 449, 775, 1375, 1705, 2245, 3875, 4939, 8525, 11225, 13919, 24695, 42625, 56125, 69595, 123475, 153109, 347975, 617375, 765545, 1739875, 3827725, 19138625]

約数ペア:

[(1, 19138625), (5, 3827725), (11, 1739875), (25, 765545), (31, 617375), (55, 347975), (125, 153109), (155, 123475), (275, 69595), (341, 56125), (449, 42625), (775, 24695), (1375, 13919), (1705, 11225), (2245, 8525), (3875, 4939)]