18645968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{105943}}^1$

素因数の和:105962

約数の個数: 20

約数和(自身を含む): 39411168

約数和(自身を除く): 20765200

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 105943, 211886, 423772, 847544, 1165373, 1695088, 2330746, 4661492, 9322984, 18645968]

約数ペア:

[(1, 18645968), (2, 9322984), (4, 4661492), (8, 2330746), (11, 1695088), (16, 1165373), (22, 847544), (44, 423772), (88, 211886), (176, 105943)]