18321849

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7457}}^1$

素因数の和:7486

約数の個数: 32

約数和(自身を含む): 33411840

約数和(自身を除く): 15089991

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7457, 22371, 52199, 67113, 96941, 156597, 201339, 290823, 469791, 678587, 872469, 1409373, 2035761, 2617407, 6107283, 18321849]

約数ペア:

[(1, 18321849), (3, 6107283), (7, 2617407), (9, 2035761), (13, 1409373), (21, 872469), (27, 678587), (39, 469791), (63, 290823), (91, 201339), (117, 156597), (189, 96941), (273, 67113), (351, 52199), (819, 22371), (2457, 7457)]