17947376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{65983}}^1$

素因数の和:66008

約数の個数: 20

約数和(自身を含む): 36819072

約数和(自身を除く): 18871696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 65983, 131966, 263932, 527864, 1055728, 1121711, 2243422, 4486844, 8973688, 17947376]

約数ペア:

[(1, 17947376), (2, 8973688), (4, 4486844), (8, 2243422), (16, 1121711), (17, 1055728), (34, 527864), (68, 263932), (136, 131966), (272, 65983)]