19554249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2399}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12701751

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2399, 2717, 7197, 8151, 26389, 31187, 45581, 79167, 93561, 136743, 343057, 501391, 592553, 1029171, 1504173, 1777659, 6518083, 19554249]

約数ペア:

[(1, 19554249), (3, 6518083), (11, 1777659), (13, 1504173), (19, 1029171), (33, 592553), (39, 501391), (57, 343057), (143, 136743), (209, 93561), (247, 79167), (429, 45581), (627, 31187), (741, 26389), (2399, 8151), (2717, 7197)]