19882797

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1669}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 30540960

約数和(自身を除く): 10658163

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 1669, 3971, 5007, 11913, 18359, 31711, 55077, 95133, 348821, 602509, 1046463, 1807527, 6627599, 19882797]

約数ペア:

[(1, 19882797), (3, 6627599), (11, 1807527), (19, 1046463), (33, 602509), (57, 348821), (209, 95133), (361, 55077), (627, 31711), (1083, 18359), (1669, 11913), (3971, 5007)]