19198870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 36028800

約数和(自身を除く): 16829930

約数列:

[1, 2, 5, 10, 29, 58, 145, 239, 277, 290, 478, 554, 1195, 1385, 2390, 2770, 6931, 8033, 13862, 16066, 34655, 40165, 66203, 69310, 80330, 132406, 331015, 662030, 1919887, 3839774, 9599435, 19198870]

約数ペア:

[(1, 19198870), (2, 9599435), (5, 3839774), (10, 1919887), (29, 662030), (58, 331015), (145, 132406), (239, 80330), (277, 69310), (290, 66203), (478, 40165), (554, 34655), (1195, 16066), (1385, 13862), (2390, 8033), (2770, 6931)]