19965309119

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{838139}}^1$

素因数の和:838270

約数の個数: 16

約数和(自身を含む): 23655663360

約数和(自身を除く): 3690354241

約数列:

[1, 7, 41, 83, 287, 581, 3403, 23821, 838139, 5866973, 34363699, 69565537, 240545893, 486958759, 2852187017, 19965309119]

約数ペア:

[(1, 19965309119), (7, 2852187017), (41, 486958759), (83, 240545893), (287, 69565537), (581, 34363699), (3403, 5866973), (23821, 838139)]