19103911

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 20944000

約数和(自身を除く): 1840089

約数列:

[1, 19, 43, 67, 349, 817, 1273, 2881, 6631, 15007, 23383, 54739, 285133, 444277, 1005469, 19103911]

約数ペア:

[(1, 19103911), (19, 1005469), (43, 444277), (67, 285133), (349, 54739), (817, 23383), (1273, 15007), (2881, 6631)]