19387923

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7237}}^1$

素因数の和:7306

約数の個数: 16

約数和(自身を含む): 27793920

約数和(自身を除く): 8405997

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7237, 21711, 137503, 340139, 412509, 1020417, 6462641, 19387923]

約数ペア:

[(1, 19387923), (3, 6462641), (19, 1020417), (47, 412509), (57, 340139), (141, 137503), (893, 21711), (2679, 7237)]