19616519

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 21881664

約数和(自身を除く): 2265145

約数列:

[1, 13, 53, 71, 401, 689, 923, 3763, 5213, 21253, 28471, 48919, 276289, 370123, 1508963, 19616519]

約数ペア:

[(1, 19616519), (13, 1508963), (53, 370123), (71, 276289), (401, 48919), (689, 28471), (923, 21253), (3763, 5213)]