18500608

素因数分解:

$2^{10}\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 88

約数和(自身を含む): 44215200

約数和(自身を除く): 25714592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 89, 112, 116, 128, 178, 203, 224, 232, 256, 356, 406, 448, 464, 512, 623, 712, 812, 896, 928, 1024, 1246, 1424, 1624, 1792, 1856, 2492, 2581, 2848, 3248, 3584, 3712, 4984, 5162, 5696, 6496, 7168, 7424, 9968, 10324, 11392, 12992, 14848, 18067, 19936, 20648, 22784, 25984, 29696, 36134, 39872, 41296, 45568, 51968, 72268, 79744, 82592, 91136, 103936, 144536, 159488, 165184, 207872, 289072, 318976, 330368, 578144, 637952, 660736, 1156288, 1321472, 2312576, 2642944, 4625152, 9250304, 18500608]

約数ペア:

[(1, 18500608), (2, 9250304), (4, 4625152), (7, 2642944), (8, 2312576), (14, 1321472), (16, 1156288), (28, 660736), (29, 637952), (32, 578144), (56, 330368), (58, 318976), (64, 289072), (89, 207872), (112, 165184), (116, 159488), (128, 144536), (178, 103936), (203, 91136), (224, 82592), (232, 79744), (256, 72268), (356, 51968), (406, 45568), (448, 41296), (464, 39872), (512, 36134), (623, 29696), (712, 25984), (812, 22784), (896, 20648), (928, 19936), (1024, 18067), (1246, 14848), (1424, 12992), (1624, 11392), (1792, 10324), (1856, 9968), (2492, 7424), (2581, 7168), (2848, 6496), (3248, 5696), (3584, 5162), (3712, 4984)]