17999860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16981}}^1$

素因数の和:17043

約数の個数: 24

約数和(自身を含む): 38515176

約数和(自身を除く): 20515316

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 16981, 33962, 67924, 84905, 169810, 339620, 899993, 1799986, 3599972, 4499965, 8999930, 17999860]

約数ペア:

[(1, 17999860), (2, 8999930), (4, 4499965), (5, 3599972), (10, 1799986), (20, 899993), (53, 339620), (106, 169810), (212, 84905), (265, 67924), (530, 33962), (1060, 16981)]