2019901561

素因数分解:

${\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 2122174080

約数和(自身を除く): 102272519

約数列:

[1, 23, 389, 401, 563, 8947, 9223, 12949, 155989, 219007, 225763, 3587747, 5037161, 5192549, 87821807, 2019901561]

約数ペア:

[(1, 2019901561), (23, 87821807), (389, 5192549), (401, 5037161), (563, 3587747), (8947, 225763), (9223, 219007), (12949, 155989)]