18578672

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5351}}^1$

素因数の和:5397

約数の個数: 40

約数和(自身を含む): 42473472

約数和(自身を除く): 23894800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5351, 10702, 21404, 37457, 42808, 74914, 85616, 149828, 165881, 299656, 331762, 599312, 663524, 1161167, 1327048, 2322334, 2654096, 4644668, 9289336, 18578672]

約数ペア:

[(1, 18578672), (2, 9289336), (4, 4644668), (7, 2654096), (8, 2322334), (14, 1327048), (16, 1161167), (28, 663524), (31, 599312), (56, 331762), (62, 299656), (112, 165881), (124, 149828), (217, 85616), (248, 74914), (434, 42808), (496, 37457), (868, 21404), (1736, 10702), (3472, 5351)]