18399416

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4159}}^1$

素因数の和:4251

約数の個数: 32

約数和(自身を含む): 39936000

約数和(自身を除く): 21536584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4159, 4424, 8318, 16636, 29113, 33272, 58226, 116452, 232904, 328561, 657122, 1314244, 2299927, 2628488, 4599854, 9199708, 18399416]

約数ペア:

[(1, 18399416), (2, 9199708), (4, 4599854), (7, 2628488), (8, 2299927), (14, 1314244), (28, 657122), (56, 328561), (79, 232904), (158, 116452), (316, 58226), (553, 33272), (632, 29113), (1106, 16636), (2212, 8318), (4159, 4424)]