18140272

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{4517}}^1$

素因数の和:4776

約数の個数: 20

約数和(自身を含む): 35294616

約数和(自身を除く): 17154344

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 4517, 9034, 18068, 36136, 72272, 1133767, 2267534, 4535068, 9070136, 18140272]

約数ペア:

[(1, 18140272), (2, 9070136), (4, 4535068), (8, 2267534), (16, 1133767), (251, 72272), (502, 36136), (1004, 18068), (2008, 9034), (4016, 4517)]