18488338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27109}}^1$

素因数の和:27153

約数の個数: 16

約数和(自身を含む): 31230720

約数和(自身を除く): 12742382

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27109, 54218, 298199, 596398, 840379, 1680758, 9244169, 18488338]

約数ペア:

[(1, 18488338), (2, 9244169), (11, 1680758), (22, 840379), (31, 596398), (62, 298199), (341, 54218), (682, 27109)]