19182875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 25945920

約数和(自身を除く): 6763045

約数列:

[1, 5, 19, 25, 41, 95, 125, 197, 205, 475, 779, 985, 1025, 2375, 3743, 3895, 4925, 5125, 8077, 18715, 19475, 24625, 40385, 93575, 97375, 153463, 201925, 467875, 767315, 1009625, 3836575, 19182875]

約数ペア:

[(1, 19182875), (5, 3836575), (19, 1009625), (25, 767315), (41, 467875), (95, 201925), (125, 153463), (197, 97375), (205, 93575), (475, 40385), (779, 24625), (985, 19475), (1025, 18715), (2375, 8077), (3743, 5125), (3895, 4925)]