19908165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32371}}^1$

素因数の和:32420

約数の個数: 16

約数和(自身を含む): 32630976

約数和(自身を除く): 12722811

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 32371, 97113, 161855, 485565, 1327211, 3981633, 6636055, 19908165]

約数ペア:

[(1, 19908165), (3, 6636055), (5, 3981633), (15, 1327211), (41, 485565), (123, 161855), (205, 97113), (615, 32371)]