18054872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 19097128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1031, 1592, 2062, 2189, 4124, 4378, 8248, 8756, 11341, 17512, 22682, 45364, 90728, 205169, 410338, 820676, 1641352, 2256859, 4513718, 9027436, 18054872]

約数ペア:

[(1, 18054872), (2, 9027436), (4, 4513718), (8, 2256859), (11, 1641352), (22, 820676), (44, 410338), (88, 205169), (199, 90728), (398, 45364), (796, 22682), (1031, 17512), (1592, 11341), (2062, 8756), (2189, 8248), (4124, 4378)]