19802215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3691}}^1$

素因数の和:3762

約数の個数: 16

約数和(自身を含む): 25253280

約数和(自身を除く): 5451065

約数列:

[1, 5, 29, 37, 145, 185, 1073, 3691, 5365, 18455, 107039, 136567, 535195, 682835, 3960443, 19802215]

約数ペア:

[(1, 19802215), (5, 3960443), (29, 682835), (37, 535195), (145, 136567), (185, 107039), (1073, 18455), (3691, 5365)]