17919776

素因数分解:

$2^5\times 7^1\times {\mathrm{79999}}^1$

素因数の和:80016

約数の個数: 24

約数和(自身を含む): 40320000

約数和(自身を除く): 22400224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 79999, 159998, 319996, 559993, 639992, 1119986, 1279984, 2239972, 2559968, 4479944, 8959888, 17919776]

約数ペア:

[(1, 17919776), (2, 8959888), (4, 4479944), (7, 2559968), (8, 2239972), (14, 1279984), (16, 1119986), (28, 639992), (32, 559993), (56, 319996), (112, 159998), (224, 79999)]