19289305

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1907}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 28116288

約数和(自身を除く): 8826983

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 1907, 2023, 9535, 10115, 13349, 32419, 66745, 162095, 226933, 551123, 1134665, 2755615, 3857861, 19289305]

約数ペア:

[(1, 19289305), (5, 3857861), (7, 2755615), (17, 1134665), (35, 551123), (85, 226933), (119, 162095), (289, 66745), (595, 32419), (1445, 13349), (1907, 10115), (2023, 9535)]