19390875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 18348645

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 89, 105, 125, 175, 249, 267, 375, 415, 445, 525, 581, 623, 875, 1245, 1335, 1743, 1869, 2075, 2225, 2625, 2905, 3115, 6225, 6675, 7387, 8715, 9345, 10375, 11125, 14525, 15575, 22161, 31125, 33375, 36935, 43575, 46725, 51709, 72625, 77875, 110805, 155127, 184675, 217875, 233625, 258545, 554025, 775635, 923375, 1292725, 2770125, 3878175, 6463625, 19390875]

約数ペア:

[(1, 19390875), (3, 6463625), (5, 3878175), (7, 2770125), (15, 1292725), (21, 923375), (25, 775635), (35, 554025), (75, 258545), (83, 233625), (89, 217875), (105, 184675), (125, 155127), (175, 110805), (249, 77875), (267, 72625), (375, 51709), (415, 46725), (445, 43575), (525, 36935), (581, 33375), (623, 31125), (875, 22161), (1245, 15575), (1335, 14525), (1743, 11125), (1869, 10375), (2075, 9345), (2225, 8715), (2625, 7387), (2905, 6675), (3115, 6225)]