18905856

素因数分解:

$2^8\times 3^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 51018240

約数和(自身を除く): 32112384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 103, 128, 192, 206, 239, 256, 309, 384, 412, 478, 618, 717, 768, 824, 956, 1236, 1434, 1648, 1912, 2472, 2868, 3296, 3824, 4944, 5736, 6592, 7648, 9888, 11472, 13184, 15296, 19776, 22944, 24617, 26368, 30592, 39552, 45888, 49234, 61184, 73851, 79104, 91776, 98468, 147702, 183552, 196936, 295404, 393872, 590808, 787744, 1181616, 1575488, 2363232, 3150976, 4726464, 6301952, 9452928, 18905856]

約数ペア:

[(1, 18905856), (2, 9452928), (3, 6301952), (4, 4726464), (6, 3150976), (8, 2363232), (12, 1575488), (16, 1181616), (24, 787744), (32, 590808), (48, 393872), (64, 295404), (96, 196936), (103, 183552), (128, 147702), (192, 98468), (206, 91776), (239, 79104), (256, 73851), (309, 61184), (384, 49234), (412, 45888), (478, 39552), (618, 30592), (717, 26368), (768, 24617), (824, 22944), (956, 19776), (1236, 15296), (1434, 13184), (1648, 11472), (1912, 9888), (2472, 7648), (2868, 6592), (3296, 5736), (3824, 4944)]