19701451

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{773}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 24668928

約数和(自身を除く): 4967477

約数列:

[1, 7, 11, 77, 331, 773, 2317, 3641, 5411, 8503, 25487, 59521, 255863, 1791041, 2814493, 19701451]

約数ペア:

[(1, 19701451), (7, 2814493), (11, 1791041), (77, 255863), (331, 59521), (773, 25487), (2317, 8503), (3641, 5411)]