18977208

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 32171592

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 31, 46, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 372, 552, 713, 744, 1109, 1426, 2139, 2218, 2852, 3327, 4278, 4436, 5704, 6654, 8556, 8872, 13308, 17112, 25507, 26616, 34379, 51014, 68758, 76521, 102028, 103137, 137516, 153042, 204056, 206274, 275032, 306084, 412548, 612168, 790717, 825096, 1581434, 2372151, 3162868, 4744302, 6325736, 9488604, 18977208]

約数ペア:

[(1, 18977208), (2, 9488604), (3, 6325736), (4, 4744302), (6, 3162868), (8, 2372151), (12, 1581434), (23, 825096), (24, 790717), (31, 612168), (46, 412548), (62, 306084), (69, 275032), (92, 206274), (93, 204056), (124, 153042), (138, 137516), (184, 103137), (186, 102028), (248, 76521), (276, 68758), (372, 51014), (552, 34379), (713, 26616), (744, 25507), (1109, 17112), (1426, 13308), (2139, 8872), (2218, 8556), (2852, 6654), (3327, 5704), (4278, 4436)]