19942965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63311}}^1$

素因数の和:63329

約数の個数: 24

約数和(自身を含む): 39506688

約数和(自身を除く): 19563723

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63311, 189933, 316555, 443177, 569799, 949665, 1329531, 2215885, 2848995, 3988593, 6647655, 19942965]

約数ペア:

[(1, 19942965), (3, 6647655), (5, 3988593), (7, 2848995), (9, 2215885), (15, 1329531), (21, 949665), (35, 569799), (45, 443177), (63, 316555), (105, 189933), (315, 63311)]