18605279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 5780257

約数列:

[1, 7, 11, 47, 53, 77, 97, 329, 371, 517, 583, 679, 1067, 2491, 3619, 4081, 4559, 5141, 7469, 17437, 27401, 31913, 35987, 50149, 56551, 191807, 241627, 351043, 395857, 1691389, 2657897, 18605279]

約数ペア:

[(1, 18605279), (7, 2657897), (11, 1691389), (47, 395857), (53, 351043), (77, 241627), (97, 191807), (329, 56551), (371, 50149), (517, 35987), (583, 31913), (679, 27401), (1067, 17437), (2491, 7469), (3619, 5141), (4081, 4559)]