18520628

素因数分解:

$2^2\times 7^3\times {\mathrm{13499}}^1$

素因数の和:13524

約数の個数: 24

約数和(自身を含む): 37800000

約数和(自身を除く): 19279372

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 13499, 26998, 53996, 94493, 188986, 377972, 661451, 1322902, 2645804, 4630157, 9260314, 18520628]

約数ペア:

[(1, 18520628), (2, 9260314), (4, 4630157), (7, 2645804), (14, 1322902), (28, 661451), (49, 377972), (98, 188986), (196, 94493), (343, 53996), (686, 26998), (1372, 13499)]