19671721965

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{1069}}^1\times {\mathrm{6491}}^1$

素因数の和:7584

約数の個数: 80

約数和(自身を含む): 40344923520

約数和(自身を除く): 20673201555

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 1069, 2835, 3207, 5345, 6491, 7483, 9621, 16035, 19473, 22449, 28863, 32455, 37415, 45437, 48105, 58419, 67347, 86589, 97365, 112245, 136311, 144315, 175257, 202041, 227185, 292095, 336735, 408933, 432945, 525771, 606123, 681555, 876285, 1010205, 1226799, 2044665, 2628855, 3030615, 3680397, 6133995, 6938879, 18401985, 20816637, 34694395, 48572153, 62449911, 104083185, 145716459, 187349733, 242860765, 312249555, 437149377, 562049199, 728582295, 936748665, 1311448131, 2185746885, 2810245995, 3934344393, 6557240655, 19671721965]

約数ペア:

[(1, 19671721965), (3, 6557240655), (5, 3934344393), (7, 2810245995), (9, 2185746885), (15, 1311448131), (21, 936748665), (27, 728582295), (35, 562049199), (45, 437149377), (63, 312249555), (81, 242860765), (105, 187349733), (135, 145716459), (189, 104083185), (315, 62449911), (405, 48572153), (567, 34694395), (945, 20816637), (1069, 18401985), (2835, 6938879), (3207, 6133995), (5345, 3680397), (6491, 3030615), (7483, 2628855), (9621, 2044665), (16035, 1226799), (19473, 1010205), (22449, 876285), (28863, 681555), (32455, 606123), (37415, 525771), (45437, 432945), (48105, 408933), (58419, 336735), (67347, 292095), (86589, 227185), (97365, 202041), (112245, 175257), (136311, 144315)]