18377072

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2397

約数の個数: 40

約数和(自身を含む): 41283072

約数和(自身を除く): 22906000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2311, 3976, 4622, 7952, 9244, 16177, 18488, 32354, 36976, 64708, 129416, 164081, 258832, 328162, 656324, 1148567, 1312648, 2297134, 2625296, 4594268, 9188536, 18377072]

約数ペア:

[(1, 18377072), (2, 9188536), (4, 4594268), (7, 2625296), (8, 2297134), (14, 1312648), (16, 1148567), (28, 656324), (56, 328162), (71, 258832), (112, 164081), (142, 129416), (284, 64708), (497, 36976), (568, 32354), (994, 18488), (1136, 16177), (1988, 9244), (2311, 7952), (3976, 4622)]