18940915

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{18661}}^1$

素因数の和:18702

約数の個数: 16

約数和(自身を含む): 26873280

約数和(自身を除く): 7932365

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 18661, 93305, 130627, 541169, 653135, 2705845, 3788183, 18940915]

約数ペア:

[(1, 18940915), (5, 3788183), (7, 2705845), (29, 653135), (35, 541169), (145, 130627), (203, 93305), (1015, 18661)]