19676972

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 41099520

約数和(自身を除く): 21422548

約数列:

[1, 2, 4, 7, 14, 28, 43, 59, 86, 118, 172, 236, 277, 301, 413, 554, 602, 826, 1108, 1204, 1652, 1939, 2537, 3878, 5074, 7756, 10148, 11911, 16343, 17759, 23822, 32686, 35518, 47644, 65372, 71036, 83377, 114401, 166754, 228802, 333508, 457604, 702749, 1405498, 2810996, 4919243, 9838486, 19676972]

約数ペア:

[(1, 19676972), (2, 9838486), (4, 4919243), (7, 2810996), (14, 1405498), (28, 702749), (43, 457604), (59, 333508), (86, 228802), (118, 166754), (172, 114401), (236, 83377), (277, 71036), (301, 65372), (413, 47644), (554, 35518), (602, 32686), (826, 23822), (1108, 17759), (1204, 16343), (1652, 11911), (1939, 10148), (2537, 7756), (3878, 5074)]