19211878

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{44267}}^1$

素因数の和:44307

約数の個数: 16

約数和(自身を含む): 33997824

約数和(自身を除く): 14785946

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 44267, 88534, 309869, 619738, 1372277, 2744554, 9605939, 19211878]

約数ペア:

[(1, 19211878), (2, 9605939), (7, 2744554), (14, 1372277), (31, 619738), (62, 309869), (217, 88534), (434, 44267)]