19052901

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 34105344

約数和(自身を除く): 15052443

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 487, 567, 621, 1449, 1461, 1701, 1863, 3409, 4347, 4383, 5589, 10227, 11201, 13041, 13149, 30681, 33603, 39123, 39447, 78407, 92043, 100809, 118341, 235221, 276129, 302427, 705663, 828387, 907281, 2116989, 2721843, 6350967, 19052901]

約数ペア:

[(1, 19052901), (3, 6350967), (7, 2721843), (9, 2116989), (21, 907281), (23, 828387), (27, 705663), (63, 302427), (69, 276129), (81, 235221), (161, 118341), (189, 100809), (207, 92043), (243, 78407), (483, 39447), (487, 39123), (567, 33603), (621, 30681), (1449, 13149), (1461, 13041), (1701, 11201), (1863, 10227), (3409, 5589), (4347, 4383)]