18361168

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 22886192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2309, 3976, 4618, 7952, 9236, 16163, 18472, 32326, 36944, 64652, 129304, 163939, 258608, 327878, 655756, 1147573, 1311512, 2295146, 2623024, 4590292, 9180584, 18361168]

約数ペア:

[(1, 18361168), (2, 9180584), (4, 4590292), (7, 2623024), (8, 2295146), (14, 1311512), (16, 1147573), (28, 655756), (56, 327878), (71, 258608), (112, 163939), (142, 129304), (284, 64652), (497, 36944), (568, 32326), (994, 18472), (1136, 16163), (1988, 9236), (2309, 7952), (3976, 4618)]