17937724

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1378

約数の個数: 36

約数和(自身を含む): 37059120

約数和(自身を除く): 19121396

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1289, 1988, 2578, 3479, 5156, 6958, 9023, 13916, 18046, 36092, 63161, 91519, 126322, 183038, 252644, 366076, 640633, 1281266, 2562532, 4484431, 8968862, 17937724]

約数ペア:

[(1, 17937724), (2, 8968862), (4, 4484431), (7, 2562532), (14, 1281266), (28, 640633), (49, 366076), (71, 252644), (98, 183038), (142, 126322), (196, 91519), (284, 63161), (497, 36092), (994, 18046), (1289, 13916), (1988, 9023), (2578, 6958), (3479, 5156)]