19226660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 43119216

約数和(自身を除く): 23892556

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 293, 340, 386, 586, 772, 965, 1172, 1465, 1930, 2930, 3281, 3860, 4981, 5860, 6562, 9962, 13124, 16405, 19924, 24905, 32810, 49810, 56549, 65620, 99620, 113098, 226196, 282745, 565490, 961333, 1130980, 1922666, 3845332, 4806665, 9613330, 19226660]

約数ペア:

[(1, 19226660), (2, 9613330), (4, 4806665), (5, 3845332), (10, 1922666), (17, 1130980), (20, 961333), (34, 565490), (68, 282745), (85, 226196), (170, 113098), (193, 99620), (293, 65620), (340, 56549), (386, 49810), (586, 32810), (772, 24905), (965, 19924), (1172, 16405), (1465, 13124), (1930, 9962), (2930, 6562), (3281, 5860), (3860, 4981)]