18312554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 12943510

約数列:

[1, 2, 13, 23, 26, 46, 113, 226, 271, 299, 542, 598, 1469, 2599, 2938, 3523, 5198, 6233, 7046, 12466, 30623, 33787, 61246, 67574, 81029, 162058, 398099, 704329, 796198, 1408658, 9156277, 18312554]

約数ペア:

[(1, 18312554), (2, 9156277), (13, 1408658), (23, 796198), (26, 704329), (46, 398099), (113, 162058), (226, 81029), (271, 67574), (299, 61246), (542, 33787), (598, 30623), (1469, 12466), (2599, 7046), (2938, 6233), (3523, 5198)]