19502498

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 29783160

約数和(自身を除く): 10280662

約数列:

[1, 2, 109, 137, 218, 274, 653, 1306, 14933, 29866, 71177, 89461, 142354, 178922, 9751249, 19502498]

約数ペア:

[(1, 19502498), (2, 9751249), (109, 178922), (137, 142354), (218, 89461), (274, 71177), (653, 29866), (1306, 14933)]