19573974

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 80

約数和(自身を含む): 51470496

約数和(自身を除く): 31896522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 81, 82, 123, 126, 162, 189, 246, 287, 369, 378, 421, 567, 574, 738, 842, 861, 1107, 1134, 1263, 1722, 2214, 2526, 2583, 2947, 3321, 3789, 5166, 5894, 6642, 7578, 7749, 8841, 11367, 15498, 17261, 17682, 22734, 23247, 26523, 34101, 34522, 46494, 51783, 53046, 68202, 79569, 103566, 120827, 155349, 159138, 238707, 241654, 310698, 362481, 466047, 477414, 724962, 932094, 1087443, 1398141, 2174886, 2796282, 3262329, 6524658, 9786987, 19573974]

約数ペア:

[(1, 19573974), (2, 9786987), (3, 6524658), (6, 3262329), (7, 2796282), (9, 2174886), (14, 1398141), (18, 1087443), (21, 932094), (27, 724962), (41, 477414), (42, 466047), (54, 362481), (63, 310698), (81, 241654), (82, 238707), (123, 159138), (126, 155349), (162, 120827), (189, 103566), (246, 79569), (287, 68202), (369, 53046), (378, 51783), (421, 46494), (567, 34522), (574, 34101), (738, 26523), (842, 23247), (861, 22734), (1107, 17682), (1134, 17261), (1263, 15498), (1722, 11367), (2214, 8841), (2526, 7749), (2583, 7578), (2947, 6642), (3321, 5894), (3789, 5166)]