18985190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271217}}^1$

素因数の和:271231

約数の個数: 16

約数和(自身を含む): 39055392

約数和(自身を除く): 20070202

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271217, 542434, 1356085, 1898519, 2712170, 3797038, 9492595, 18985190]

約数ペア:

[(1, 18985190), (2, 9492595), (5, 3797038), (7, 2712170), (10, 1898519), (14, 1356085), (35, 542434), (70, 271217)]