18261166

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 36408960

約数和(自身を除く): 18147794

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 79, 133, 154, 158, 209, 266, 418, 553, 869, 1106, 1463, 1501, 1738, 2926, 3002, 6083, 6241, 10507, 12166, 12482, 16511, 21014, 33022, 43687, 68651, 87374, 115577, 118579, 137302, 231154, 237158, 480557, 830053, 961114, 1304369, 1660106, 2608738, 9130583, 18261166]

約数ペア:

[(1, 18261166), (2, 9130583), (7, 2608738), (11, 1660106), (14, 1304369), (19, 961114), (22, 830053), (38, 480557), (77, 237158), (79, 231154), (133, 137302), (154, 118579), (158, 115577), (209, 87374), (266, 68651), (418, 43687), (553, 33022), (869, 21014), (1106, 16511), (1463, 12482), (1501, 12166), (1738, 10507), (2926, 6241), (3002, 6083)]