19211185

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4127}}^1$

素因数の和:4165

約数の個数: 24

約数和(自身を含む): 28235520

約数和(自身を除く): 9024335

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4127, 4655, 20635, 28889, 78413, 144445, 202223, 392065, 548891, 1011115, 2744455, 3842237, 19211185]

約数ペア:

[(1, 19211185), (5, 3842237), (7, 2744455), (19, 1011115), (35, 548891), (49, 392065), (95, 202223), (133, 144445), (245, 78413), (665, 28889), (931, 20635), (4127, 4655)]