19614985

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 25824960

約数和(自身を除く): 6209975

約数列:

[1, 5, 13, 65, 139, 167, 169, 695, 835, 845, 1807, 2171, 9035, 10855, 23213, 23491, 28223, 116065, 117455, 141115, 301769, 1508845, 3922997, 19614985]

約数ペア:

[(1, 19614985), (5, 3922997), (13, 1508845), (65, 301769), (139, 141115), (167, 117455), (169, 116065), (695, 28223), (835, 23491), (845, 23213), (1807, 10855), (2171, 9035)]