15131818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 10269782

約数列:

[1, 2, 13, 26, 53, 79, 106, 139, 158, 278, 689, 1027, 1378, 1807, 2054, 3614, 4187, 7367, 8374, 10981, 14734, 21962, 54431, 95771, 108862, 142753, 191542, 285506, 581993, 1163986, 7565909, 15131818]

約数ペア:

[(1, 15131818), (2, 7565909), (13, 1163986), (26, 581993), (53, 285506), (79, 191542), (106, 142753), (139, 108862), (158, 95771), (278, 54431), (689, 21962), (1027, 14734), (1378, 10981), (1807, 8374), (2054, 7367), (3614, 4187)]