19154224

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13451}}^1$

素因数の和:13548

約数の個数: 20

約数和(自身を含む): 37531080

約数和(自身を除く): 18376856

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13451, 26902, 53804, 107608, 215216, 1197139, 2394278, 4788556, 9577112, 19154224]

約数ペア:

[(1, 19154224), (2, 9577112), (4, 4788556), (8, 2394278), (16, 1197139), (89, 215216), (178, 107608), (356, 53804), (712, 26902), (1424, 13451)]