19421985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117709}}^1$

素因数の和:117728

約数の個数: 16

約数和(自身を含む): 33900480

約数和(自身を除く): 14478495

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 117709, 353127, 588545, 1294799, 1765635, 3884397, 6473995, 19421985]

約数ペア:

[(1, 19421985), (3, 6473995), (5, 3884397), (11, 1765635), (15, 1294799), (33, 588545), (55, 353127), (165, 117709)]