19740266

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{108463}}^1$

素因数の和:108485

約数の個数: 16

約数和(自身を含む): 36443904

約数和(自身を除く): 16703638

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 108463, 216926, 759241, 1410019, 1518482, 2820038, 9870133, 19740266]

約数ペア:

[(1, 19740266), (2, 9870133), (7, 2820038), (13, 1518482), (14, 1410019), (26, 759241), (91, 216926), (182, 108463)]