20190165987

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 28800352256

約数和(自身を除く): 8610186269

約数列:

[1, 3, 31, 67, 93, 103, 163, 193, 201, 309, 489, 579, 2077, 3193, 5053, 5983, 6231, 6901, 9579, 10921, 12931, 15159, 16789, 17949, 19879, 20703, 31459, 32763, 38793, 50367, 59637, 94377, 213931, 338551, 400861, 520459, 616249, 641793, 975229, 1015653, 1124863, 1202583, 1331893, 1561377, 1848747, 2107753, 2925687, 3240277, 3374589, 3995679, 6323259, 9720831, 34870753, 41288683, 65340343, 100448587, 104612259, 123866049, 196021029, 217098559, 301345761, 651295677, 6730055329, 20190165987]

約数ペア:

[(1, 20190165987), (3, 6730055329), (31, 651295677), (67, 301345761), (93, 217098559), (103, 196021029), (163, 123866049), (193, 104612259), (201, 100448587), (309, 65340343), (489, 41288683), (579, 34870753), (2077, 9720831), (3193, 6323259), (5053, 3995679), (5983, 3374589), (6231, 3240277), (6901, 2925687), (9579, 2107753), (10921, 1848747), (12931, 1561377), (15159, 1331893), (16789, 1202583), (17949, 1124863), (19879, 1015653), (20703, 975229), (31459, 641793), (32763, 616249), (38793, 520459), (50367, 400861), (59637, 338551), (94377, 213931)]