19388633607

素因数分解:

$3^4\times 7^1\times {\mathrm{34195121}}^1$

素因数の和:34195140

約数の個数: 20

約数和(自身を含む): 33100878096

約数和(自身を除く): 13712244489

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34195121, 102585363, 239365847, 307756089, 718097541, 923268267, 2154292623, 2769804801, 6462877869, 19388633607]

約数ペア:

[(1, 19388633607), (3, 6462877869), (7, 2769804801), (9, 2154292623), (21, 923268267), (27, 718097541), (63, 307756089), (81, 239365847), (189, 102585363), (567, 34195121)]