19746909

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 96

約数和(自身を含む): 39137280

約数和(自身を除く): 19390371

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 47, 57, 63, 81, 91, 117, 133, 141, 171, 189, 243, 247, 273, 329, 351, 399, 423, 513, 567, 611, 741, 819, 893, 987, 1053, 1197, 1269, 1539, 1701, 1729, 1833, 2223, 2457, 2679, 2961, 3159, 3591, 3807, 4277, 4617, 5187, 5499, 6251, 6669, 7371, 8037, 8883, 10773, 11421, 11609, 12831, 15561, 16497, 18753, 20007, 22113, 24111, 26649, 32319, 34827, 38493, 46683, 49491, 56259, 60021, 72333, 79947, 81263, 104481, 115479, 140049, 148473, 168777, 216999, 243789, 313443, 346437, 420147, 506331, 731367, 940329, 1039311, 1518993, 2194101, 2820987, 6582303, 19746909]

約数ペア:

[(1, 19746909), (3, 6582303), (7, 2820987), (9, 2194101), (13, 1518993), (19, 1039311), (21, 940329), (27, 731367), (39, 506331), (47, 420147), (57, 346437), (63, 313443), (81, 243789), (91, 216999), (117, 168777), (133, 148473), (141, 140049), (171, 115479), (189, 104481), (243, 81263), (247, 79947), (273, 72333), (329, 60021), (351, 56259), (399, 49491), (423, 46683), (513, 38493), (567, 34827), (611, 32319), (741, 26649), (819, 24111), (893, 22113), (987, 20007), (1053, 18753), (1197, 16497), (1269, 15561), (1539, 12831), (1701, 11609), (1729, 11421), (1833, 10773), (2223, 8883), (2457, 8037), (2679, 7371), (2961, 6669), (3159, 6251), (3591, 5499), (3807, 5187), (4277, 4617)]