19109930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{272999}}^1$

素因数の和:273013

約数の個数: 16

約数和(自身を含む): 39312000

約数和(自身を除く): 20202070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 272999, 545998, 1364995, 1910993, 2729990, 3821986, 9554965, 19109930]

約数ペア:

[(1, 19109930), (2, 9554965), (5, 3821986), (7, 2729990), (10, 1910993), (14, 1364995), (35, 545998), (70, 272999)]