18086908

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4931}}^1$

素因数の和:5073

約数の個数: 24

約数和(自身を含む): 36457344

約数和(自身を除く): 18370436

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 4931, 9862, 19724, 34517, 69034, 138068, 645961, 1291922, 2583844, 4521727, 9043454, 18086908]

約数ペア:

[(1, 18086908), (2, 9043454), (4, 4521727), (7, 2583844), (14, 1291922), (28, 645961), (131, 138068), (262, 69034), (524, 34517), (917, 19724), (1834, 9862), (3668, 4931)]