18010998

素因数分解:

$2^1\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1523}}^1$

素因数の和:1610

約数の個数: 40

約数和(自身を含む): 40937688

約数和(自身を除く): 22926690

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 438, 657, 1314, 1523, 1971, 3046, 3942, 4569, 5913, 9138, 11826, 13707, 27414, 41121, 82242, 111179, 123363, 222358, 246726, 333537, 667074, 1000611, 2001222, 3001833, 6003666, 9005499, 18010998]

約数ペア:

[(1, 18010998), (2, 9005499), (3, 6003666), (6, 3001833), (9, 2001222), (18, 1000611), (27, 667074), (54, 333537), (73, 246726), (81, 222358), (146, 123363), (162, 111179), (219, 82242), (438, 41121), (657, 27414), (1314, 13707), (1523, 11826), (1971, 9138), (3046, 5913), (3942, 4569)]