19727250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 50993280

約数和(自身を除く): 31266030

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 125, 145, 150, 174, 250, 290, 375, 435, 725, 750, 870, 907, 1450, 1814, 2175, 2721, 3625, 4350, 4535, 5442, 7250, 9070, 10875, 13605, 21750, 22675, 26303, 27210, 45350, 52606, 68025, 78909, 113375, 131515, 136050, 157818, 226750, 263030, 340125, 394545, 657575, 680250, 789090, 1315150, 1972725, 3287875, 3945450, 6575750, 9863625, 19727250]

約数ペア:

[(1, 19727250), (2, 9863625), (3, 6575750), (5, 3945450), (6, 3287875), (10, 1972725), (15, 1315150), (25, 789090), (29, 680250), (30, 657575), (50, 394545), (58, 340125), (75, 263030), (87, 226750), (125, 157818), (145, 136050), (150, 131515), (174, 113375), (250, 78909), (290, 68025), (375, 52606), (435, 45350), (725, 27210), (750, 26303), (870, 22675), (907, 21750), (1450, 13605), (1814, 10875), (2175, 9070), (2721, 7250), (3625, 5442), (4350, 4535)]