16990484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 36220800

約数和(自身を除く): 19230316

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 293, 436, 532, 586, 763, 1172, 1526, 2051, 2071, 3052, 4102, 4142, 5567, 8204, 8284, 11134, 14497, 22268, 28994, 31937, 38969, 57988, 63874, 77938, 127748, 155876, 223559, 447118, 606803, 894236, 1213606, 2427212, 4247621, 8495242, 16990484]

約数ペア:

[(1, 16990484), (2, 8495242), (4, 4247621), (7, 2427212), (14, 1213606), (19, 894236), (28, 606803), (38, 447118), (76, 223559), (109, 155876), (133, 127748), (218, 77938), (266, 63874), (293, 57988), (436, 38969), (532, 31937), (586, 28994), (763, 22268), (1172, 14497), (1526, 11134), (2051, 8284), (2071, 8204), (3052, 5567), (4102, 4142)]