18871377

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52861}}^1$

素因数の和:52888

約数の個数: 16

約数和(自身を含む): 30448512

約数和(自身を除く): 11577135

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52861, 158583, 370027, 898637, 1110081, 2695911, 6290459, 18871377]

約数ペア:

[(1, 18871377), (3, 6290459), (7, 2695911), (17, 1110081), (21, 898637), (51, 370027), (119, 158583), (357, 52861)]