19715465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 10524535

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 1249, 1435, 2255, 3157, 6245, 8743, 13739, 15785, 43715, 51209, 68695, 96173, 256045, 358463, 480865, 563299, 1792315, 2816495, 3943093, 19715465]

約数ペア:

[(1, 19715465), (5, 3943093), (7, 2816495), (11, 1792315), (35, 563299), (41, 480865), (55, 358463), (77, 256045), (205, 96173), (287, 68695), (385, 51209), (451, 43715), (1249, 15785), (1435, 13739), (2255, 8743), (3157, 6245)]