18899510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2477}}^1$

素因数の和:2600

約数の個数: 32

約数和(自身を含む): 39251520

約数和(自身を除く): 20352010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2477, 3815, 4954, 7630, 12385, 17339, 24770, 34678, 86695, 173390, 269993, 539986, 1349965, 1889951, 2699930, 3779902, 9449755, 18899510]

約数ペア:

[(1, 18899510), (2, 9449755), (5, 3779902), (7, 2699930), (10, 1889951), (14, 1349965), (35, 539986), (70, 269993), (109, 173390), (218, 86695), (545, 34678), (763, 24770), (1090, 17339), (1526, 12385), (2477, 7630), (3815, 4954)]