17972138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4339}}^1$

素因数の和:4469

約数の個数: 16

約数和(自身を含む): 28644000

約数和(自身を除く): 10671862

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4339, 8678, 82441, 164882, 472951, 945902, 8986069, 17972138]

約数ペア:

[(1, 17972138), (2, 8986069), (19, 945902), (38, 472951), (109, 164882), (218, 82441), (2071, 8678), (4142, 4339)]