19700295

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 32707584

約数和(自身を除く): 13007289

約数列:

[1, 3, 5, 15, 41, 103, 123, 205, 309, 311, 515, 615, 933, 1545, 1555, 4223, 4665, 12669, 12751, 21115, 32033, 38253, 63345, 63755, 96099, 160165, 191265, 480495, 1313353, 3940059, 6566765, 19700295]

約数ペア:

[(1, 19700295), (3, 6566765), (5, 3940059), (15, 1313353), (41, 480495), (103, 191265), (123, 160165), (205, 96099), (309, 63755), (311, 63345), (515, 38253), (615, 32033), (933, 21115), (1545, 12751), (1555, 12669), (4223, 4665)]