19493835

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30223}}^1$

素因数の和:30274

約数の個数: 16

約数和(自身を含む): 31916544

約数和(自身を除く): 12422709

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 30223, 90669, 151115, 453345, 1299589, 3898767, 6497945, 19493835]

約数ペア:

[(1, 19493835), (3, 6497945), (5, 3898767), (15, 1299589), (43, 453345), (129, 151115), (215, 90669), (645, 30223)]