19411407

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12613}}^1$

素因数の和:12644

約数の個数: 20

約数和(自身を含む): 30525880

約数和(自身を除く): 11114473

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12613, 37839, 113517, 239647, 340551, 718941, 1021653, 2156823, 6470469, 19411407]

約数ペア:

[(1, 19411407), (3, 6470469), (9, 2156823), (19, 1021653), (27, 718941), (57, 340551), (81, 239647), (171, 113517), (513, 37839), (1539, 12613)]