19339480

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4787}}^1$

素因数の和:4899

約数の個数: 32

約数和(自身を含む): 43953840

約数和(自身を除く): 24614360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4787, 9574, 19148, 23935, 38296, 47870, 95740, 191480, 483487, 966974, 1933948, 2417435, 3867896, 4834870, 9669740, 19339480]

約数ペア:

[(1, 19339480), (2, 9669740), (4, 4834870), (5, 3867896), (8, 2417435), (10, 1933948), (20, 966974), (40, 483487), (101, 191480), (202, 95740), (404, 47870), (505, 38296), (808, 23935), (1010, 19148), (2020, 9574), (4040, 4787)]