19206890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 16338070

約数列:

[1, 2, 5, 10, 67, 109, 134, 218, 263, 335, 526, 545, 670, 1090, 1315, 2630, 7303, 14606, 17621, 28667, 35242, 36515, 57334, 73030, 88105, 143335, 176210, 286670, 1920689, 3841378, 9603445, 19206890]

約数ペア:

[(1, 19206890), (2, 9603445), (5, 3841378), (10, 1920689), (67, 286670), (109, 176210), (134, 143335), (218, 88105), (263, 73030), (335, 57334), (526, 36515), (545, 35242), (670, 28667), (1090, 17621), (1315, 14606), (2630, 7303)]