18366992

素因数分解:

$2^4\times 7^1\times {\mathrm{163991}}^1$

素因数の和:164006

約数の個数: 20

約数和(自身を含む): 40670016

約数和(自身を除く): 22303024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163991, 327982, 655964, 1147937, 1311928, 2295874, 2623856, 4591748, 9183496, 18366992]

約数ペア:

[(1, 18366992), (2, 9183496), (4, 4591748), (7, 2623856), (8, 2295874), (14, 1311928), (16, 1147937), (28, 655964), (56, 327982), (112, 163991)]