18836584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2641

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 19749656

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 2551, 3692, 5102, 7384, 10204, 20408, 33163, 66326, 132652, 181121, 265304, 362242, 724484, 1448968, 2354573, 4709146, 9418292, 18836584]

約数ペア:

[(1, 18836584), (2, 9418292), (4, 4709146), (8, 2354573), (13, 1448968), (26, 724484), (52, 362242), (71, 265304), (104, 181121), (142, 132652), (284, 66326), (568, 33163), (923, 20408), (1846, 10204), (2551, 7384), (3692, 5102)]