19842519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5807}}^1$

素因数の和:5894

約数の個数: 16

約数和(自身を含む): 28435968

約数和(自身を除く): 8593449

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5807, 17421, 98719, 296157, 389069, 1167207, 6614173, 19842519]

約数ペア:

[(1, 19842519), (3, 6614173), (17, 1167207), (51, 389069), (67, 296157), (201, 98719), (1139, 17421), (3417, 5807)]