19878312993

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23327}}^1$

素因数の和:23403

約数の個数: 96

約数和(自身を含む): 36763435008

約数和(自身を除く): 16885122015

約数列:

[1, 3, 7, 11, 17, 21, 31, 33, 49, 51, 77, 93, 119, 147, 187, 217, 231, 341, 357, 527, 539, 561, 651, 833, 1023, 1309, 1519, 1581, 1617, 2387, 2499, 3689, 3927, 4557, 5797, 7161, 9163, 11067, 16709, 17391, 23327, 25823, 27489, 40579, 50127, 69981, 77469, 121737, 163289, 256597, 284053, 396559, 489867, 723137, 769791, 852159, 1143023, 1189677, 1796179, 2169411, 2775913, 3429069, 4362149, 5061959, 5388537, 7954507, 8327739, 12293329, 12573253, 13086447, 15185877, 19431391, 23863521, 30535043, 35433713, 36879987, 37719759, 55681549, 58294173, 86053303, 91605129, 106301139, 135226619, 167044647, 213745301, 258159909, 389770843, 405679857, 602373121, 641235903, 946586333, 1169312529, 1807119363, 2839758999, 6626104331, 19878312993]

約数ペア:

[(1, 19878312993), (3, 6626104331), (7, 2839758999), (11, 1807119363), (17, 1169312529), (21, 946586333), (31, 641235903), (33, 602373121), (49, 405679857), (51, 389770843), (77, 258159909), (93, 213745301), (119, 167044647), (147, 135226619), (187, 106301139), (217, 91605129), (231, 86053303), (341, 58294173), (357, 55681549), (527, 37719759), (539, 36879987), (561, 35433713), (651, 30535043), (833, 23863521), (1023, 19431391), (1309, 15185877), (1519, 13086447), (1581, 12573253), (1617, 12293329), (2387, 8327739), (2499, 7954507), (3689, 5388537), (3927, 5061959), (4557, 4362149), (5797, 3429069), (7161, 2775913), (9163, 2169411), (11067, 1796179), (16709, 1189677), (17391, 1143023), (23327, 852159), (25823, 769791), (27489, 723137), (40579, 489867), (50127, 396559), (69981, 284053), (77469, 256597), (121737, 163289)]