18964344670

素因数分解:

$2^1\times 5^1\times {\mathrm{45077}}^1\times {\mathrm{42071}}^1$

素因数の和:87155

約数の個数: 16

約数和(自身を含む): 34137389088

約数和(自身を除く): 15173044418

約数列:

[1, 2, 5, 10, 42071, 45077, 84142, 90154, 210355, 225385, 420710, 450770, 1896434467, 3792868934, 9482172335, 18964344670]

約数ペア:

[(1, 18964344670), (2, 9482172335), (5, 3792868934), (10, 1896434467), (42071, 450770), (45077, 420710), (84142, 225385), (90154, 210355)]