18773937

素因数分解:

$3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:321

約数の個数: 56

約数和(自身を含む): 34766144

約数和(自身を除く): 15992207

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 283, 351, 567, 729, 819, 849, 1053, 1701, 1981, 2457, 2547, 3159, 3679, 5103, 5943, 7371, 7641, 9477, 11037, 17829, 22113, 22923, 25753, 33111, 53487, 66339, 68769, 77259, 99333, 160461, 206307, 231777, 297999, 481383, 695331, 893997, 1444149, 2085993, 2681991, 6257979, 18773937]

約数ペア:

[(1, 18773937), (3, 6257979), (7, 2681991), (9, 2085993), (13, 1444149), (21, 893997), (27, 695331), (39, 481383), (63, 297999), (81, 231777), (91, 206307), (117, 160461), (189, 99333), (243, 77259), (273, 68769), (283, 66339), (351, 53487), (567, 33111), (729, 25753), (819, 22923), (849, 22113), (1053, 17829), (1701, 11037), (1981, 9477), (2457, 7641), (2547, 7371), (3159, 5943), (3679, 5103)]