18138775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 23569920

約数和(自身を除く): 5431145

約数列:

[1, 5, 25, 29, 127, 145, 197, 635, 725, 985, 3175, 3683, 4925, 5713, 18415, 25019, 28565, 92075, 125095, 142825, 625475, 725551, 3627755, 18138775]

約数ペア:

[(1, 18138775), (5, 3627755), (25, 725551), (29, 625475), (127, 142825), (145, 125095), (197, 92075), (635, 28565), (725, 25019), (985, 18415), (3175, 5713), (3683, 4925)]