18775905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 32918400

約数和(自身を除く): 14142495

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 2539, 7395, 7617, 12695, 38085, 43163, 73631, 129489, 215815, 220893, 368155, 647445, 1104465, 1251727, 3755181, 6258635, 18775905]

約数ペア:

[(1, 18775905), (3, 6258635), (5, 3755181), (15, 1251727), (17, 1104465), (29, 647445), (51, 368155), (85, 220893), (87, 215815), (145, 129489), (255, 73631), (435, 43163), (493, 38085), (1479, 12695), (2465, 7617), (2539, 7395)]