18388432

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16187}}^1$

素因数の和:16266

約数の個数: 20

約数和(自身を含む): 36131616

約数和(自身を除く): 17743184

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16187, 32374, 64748, 129496, 258992, 1149277, 2298554, 4597108, 9194216, 18388432]

約数ペア:

[(1, 18388432), (2, 9194216), (4, 4597108), (8, 2298554), (16, 1149277), (71, 258992), (142, 129496), (284, 64748), (568, 32374), (1136, 16187)]