19716830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{281669}}^1$

素因数の和:281683

約数の個数: 16

約数和(自身を含む): 40560480

約数和(自身を除く): 20843650

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 281669, 563338, 1408345, 1971683, 2816690, 3943366, 9858415, 19716830]

約数ペア:

[(1, 19716830), (2, 9858415), (5, 3943366), (7, 2816690), (10, 1971683), (14, 1408345), (35, 563338), (70, 281669)]