19494230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{278489}}^1$

素因数の和:278503

約数の個数: 16

約数和(自身を含む): 40102560

約数和(自身を除く): 20608330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 278489, 556978, 1392445, 1949423, 2784890, 3898846, 9747115, 19494230]

約数ペア:

[(1, 19494230), (2, 9747115), (5, 3898846), (7, 2784890), (10, 1949423), (14, 1392445), (35, 556978), (70, 278489)]