18381356

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3931}}^1$

素因数の和:4109

約数の個数: 24

約数和(自身を含む): 36992256

約数和(自身を除く): 18610900

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 3931, 4676, 7862, 15724, 27517, 55034, 110068, 656477, 1312954, 2625908, 4595339, 9190678, 18381356]

約数ペア:

[(1, 18381356), (2, 9190678), (4, 4595339), (7, 2625908), (14, 1312954), (28, 656477), (167, 110068), (334, 55034), (668, 27517), (1169, 15724), (2338, 7862), (3931, 4676)]