18867275

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 26974464

約数和(自身を除く): 8107189

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 823, 917, 3275, 4115, 4585, 5761, 20575, 22925, 28805, 107813, 144025, 539065, 754691, 2695325, 3773455, 18867275]

約数ペア:

[(1, 18867275), (5, 3773455), (7, 2695325), (25, 754691), (35, 539065), (131, 144025), (175, 107813), (655, 28805), (823, 22925), (917, 20575), (3275, 5761), (4115, 4585)]