15213916

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 27442800

約数和(自身を除く): 12228884

約数列:

[1, 2, 4, 43, 86, 172, 197, 394, 449, 788, 898, 1796, 8471, 16942, 19307, 33884, 38614, 77228, 88453, 176906, 353812, 3803479, 7606958, 15213916]

約数ペア:

[(1, 15213916), (2, 7606958), (4, 3803479), (43, 353812), (86, 176906), (172, 88453), (197, 77228), (394, 38614), (449, 33884), (788, 19307), (898, 16942), (1796, 8471)]