19181722

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9857}}^1$

素因数の和:10005

約数の個数: 16

約数和(自身を含む): 33122880

約数和(自身を除く): 13941158

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9857, 19714, 68999, 137998, 1370123, 2740246, 9590861, 19181722]

約数ペア:

[(1, 19181722), (2, 9590861), (7, 2740246), (14, 1370123), (139, 137998), (278, 68999), (973, 19714), (1946, 9857)]