18890366971

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1\times {\mathrm{78101}}^1$

素因数の和:78534

約数の個数: 16

約数和(自身を含む): 21856063680

約数和(自身を除く): 2965696709

約数列:

[1, 7, 109, 317, 763, 2219, 34553, 78101, 241871, 546707, 8513009, 24758017, 59591063, 173306119, 2698623853, 18890366971]

約数ペア:

[(1, 18890366971), (7, 2698623853), (109, 173306119), (317, 59591063), (763, 24758017), (2219, 8513009), (34553, 546707), (78101, 241871)]