18469287

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 27421680

約数和(自身を除く): 8952393

約数列:

[1, 3, 9, 67, 109, 201, 281, 327, 603, 843, 981, 2529, 7303, 18827, 21909, 30629, 56481, 65727, 91887, 169443, 275661, 2052143, 6156429, 18469287]

約数ペア:

[(1, 18469287), (3, 6156429), (9, 2052143), (67, 275661), (109, 169443), (201, 91887), (281, 65727), (327, 56481), (603, 30629), (843, 21909), (981, 18827), (2529, 7303)]