2018169923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1\times {\mathrm{18979}}^1$

素因数の和:20378

約数の個数: 16

約数和(自身を含む): 2518114560

約数和(自身を除く): 499944637

約数列:

[1, 7, 11, 77, 1381, 9667, 15191, 18979, 106337, 132853, 208769, 1461383, 26209999, 183469993, 288309989, 2018169923]

約数ペア:

[(1, 2018169923), (7, 288309989), (11, 183469993), (77, 26209999), (1381, 1461383), (9667, 208769), (15191, 132853), (18979, 106337)]