18727387

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{653}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 22790592

約数和(自身を除く): 4063205

約数列:

[1, 7, 17, 119, 241, 653, 1687, 4097, 4571, 11101, 28679, 77707, 157373, 1101611, 2675341, 18727387]

約数ペア:

[(1, 18727387), (7, 2675341), (17, 1101611), (119, 157373), (241, 77707), (653, 28679), (1687, 11101), (4097, 4571)]