18022144

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 41942880

約数和(自身を除く): 23920736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 113, 128, 178, 224, 226, 256, 356, 448, 452, 623, 712, 791, 896, 904, 1246, 1424, 1582, 1792, 1808, 2492, 2848, 3164, 3616, 4984, 5696, 6328, 7232, 9968, 10057, 11392, 12656, 14464, 19936, 20114, 22784, 25312, 28928, 39872, 40228, 50624, 70399, 79744, 80456, 101248, 140798, 159488, 160912, 202496, 281596, 321824, 563192, 643648, 1126384, 1287296, 2252768, 2574592, 4505536, 9011072, 18022144]

約数ペア:

[(1, 18022144), (2, 9011072), (4, 4505536), (7, 2574592), (8, 2252768), (14, 1287296), (16, 1126384), (28, 643648), (32, 563192), (56, 321824), (64, 281596), (89, 202496), (112, 160912), (113, 159488), (128, 140798), (178, 101248), (224, 80456), (226, 79744), (256, 70399), (356, 50624), (448, 40228), (452, 39872), (623, 28928), (712, 25312), (791, 22784), (896, 20114), (904, 19936), (1246, 14464), (1424, 12656), (1582, 11392), (1792, 10057), (1808, 9968), (2492, 7232), (2848, 6328), (3164, 5696), (3616, 4984)]