19377625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 26208000

約数和(自身を除く): 6830375

約数列:

[1, 5, 19, 25, 41, 95, 125, 199, 205, 475, 779, 995, 1025, 2375, 3781, 3895, 4975, 5125, 8159, 18905, 19475, 24875, 40795, 94525, 97375, 155021, 203975, 472625, 775105, 1019875, 3875525, 19377625]

約数ペア:

[(1, 19377625), (5, 3875525), (19, 1019875), (25, 775105), (41, 472625), (95, 203975), (125, 155021), (199, 97375), (205, 94525), (475, 40795), (779, 24875), (995, 19475), (1025, 18905), (2375, 8159), (3781, 5125), (3895, 4975)]