19138354

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1785

約数の個数: 16

約数和(自身を含む): 29604960

約数和(自身を除く): 10466606

約数列:

[1, 2, 43, 86, 139, 278, 1601, 3202, 5977, 11954, 68843, 137686, 222539, 445078, 9569177, 19138354]

約数ペア:

[(1, 19138354), (2, 9569177), (43, 445078), (86, 222539), (139, 137686), (278, 68843), (1601, 11954), (3202, 5977)]