19190625

素因数分解:

$3^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 14557215

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 89, 115, 125, 267, 345, 375, 445, 575, 625, 1335, 1725, 1875, 2047, 2225, 2875, 3125, 6141, 6675, 8625, 9375, 10235, 11125, 14375, 30705, 33375, 43125, 51175, 55625, 71875, 153525, 166875, 215625, 255875, 278125, 767625, 834375, 1279375, 3838125, 6396875, 19190625]

約数ペア:

[(1, 19190625), (3, 6396875), (5, 3838125), (15, 1279375), (23, 834375), (25, 767625), (69, 278125), (75, 255875), (89, 215625), (115, 166875), (125, 153525), (267, 71875), (345, 55625), (375, 51175), (445, 43125), (575, 33375), (625, 30705), (1335, 14375), (1725, 11125), (1875, 10235), (2047, 9375), (2225, 8625), (2875, 6675), (3125, 6141)]