19486521

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11156679

約数列:

[1, 3, 9, 27, 29, 41, 87, 123, 261, 369, 607, 783, 1107, 1189, 1821, 3567, 5463, 10701, 16389, 17603, 24887, 32103, 52809, 74661, 158427, 223983, 475281, 671949, 721723, 2165169, 6495507, 19486521]

約数ペア:

[(1, 19486521), (3, 6495507), (9, 2165169), (27, 721723), (29, 671949), (41, 475281), (87, 223983), (123, 158427), (261, 74661), (369, 52809), (607, 32103), (783, 24887), (1107, 17603), (1189, 16389), (1821, 10701), (3567, 5463)]