18227378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7877}}^1$

素因数の和:7981

約数の個数: 16

約数和(自身を含む): 29778840

約数和(自身を除く): 11551462

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 7877, 15754, 102401, 204802, 701053, 1402106, 9113689, 18227378]

約数ペア:

[(1, 18227378), (2, 9113689), (13, 1402106), (26, 701053), (89, 204802), (178, 102401), (1157, 15754), (2314, 7877)]