18683770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2999}}^1$

素因数の和:3102

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 20196230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 2999, 3115, 5998, 6230, 14995, 20993, 29990, 41986, 104965, 209930, 266911, 533822, 1334555, 1868377, 2669110, 3736754, 9341885, 18683770]

約数ペア:

[(1, 18683770), (2, 9341885), (5, 3736754), (7, 2669110), (10, 1868377), (14, 1334555), (35, 533822), (70, 266911), (89, 209930), (178, 104965), (445, 41986), (623, 29990), (890, 20993), (1246, 14995), (2999, 6230), (3115, 5998)]