18402328

素因数分解:

$2^3\times 7^1\times {\mathrm{373}}^1\times {\mathrm{881}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 21181832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373, 746, 881, 1492, 1762, 2611, 2984, 3524, 5222, 6167, 7048, 10444, 12334, 20888, 24668, 49336, 328613, 657226, 1314452, 2300291, 2628904, 4600582, 9201164, 18402328]

約数ペア:

[(1, 18402328), (2, 9201164), (4, 4600582), (7, 2628904), (8, 2300291), (14, 1314452), (28, 657226), (56, 328613), (373, 49336), (746, 24668), (881, 20888), (1492, 12334), (1762, 10444), (2611, 7048), (2984, 6167), (3524, 5222)]