19968901231

素因数分解:

${\mathrm{23}}^1\times {\mathrm{1297}}^1\times {\mathrm{669401}}^1$

素因数の和:670721

約数の個数: 8

約数和(自身を含む): 20853211104

約数和(自身を除く): 884309873

約数列:

[1, 23, 1297, 29831, 669401, 15396223, 868213097, 19968901231]

約数ペア:

[(1, 19968901231), (23, 868213097), (1297, 15396223), (29831, 669401)]