19781701993

素因数分解:

${\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{1266191}}^1$

素因数の和:1267127

約数の個数: 8

約数和(自身を含む): 20968139520

約数和(自身を除く): 1186437527

約数列:

[1, 17, 919, 15623, 1266191, 21525247, 1163629529, 19781701993]

約数ペア:

[(1, 19781701993), (17, 1163629529), (919, 21525247), (15623, 1266191)]