19652787

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 38472192

約数和(自身を除く): 18819405

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 137, 161, 189, 207, 231, 253, 297, 411, 483, 567, 621, 693, 759, 891, 959, 1233, 1449, 1507, 1771, 1863, 2079, 2277, 2877, 3151, 3699, 4347, 4521, 5313, 6237, 6831, 8631, 9453, 10549, 11097, 13041, 13563, 15939, 20493, 22057, 25893, 28359, 31647, 34661, 40689, 47817, 66171, 77679, 85077, 94941, 103983, 122067, 143451, 198513, 242627, 255231, 284823, 311949, 595539, 727881, 854469, 935847, 1786617, 2183643, 2807541, 6550929, 19652787]

約数ペア:

[(1, 19652787), (3, 6550929), (7, 2807541), (9, 2183643), (11, 1786617), (21, 935847), (23, 854469), (27, 727881), (33, 595539), (63, 311949), (69, 284823), (77, 255231), (81, 242627), (99, 198513), (137, 143451), (161, 122067), (189, 103983), (207, 94941), (231, 85077), (253, 77679), (297, 66171), (411, 47817), (483, 40689), (567, 34661), (621, 31647), (693, 28359), (759, 25893), (891, 22057), (959, 20493), (1233, 15939), (1449, 13563), (1507, 13041), (1771, 11097), (1863, 10549), (2079, 9453), (2277, 8631), (2877, 6831), (3151, 6237), (3699, 5313), (4347, 4521)]