18851028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 54641664

約数和(自身を除く): 35790636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 43, 51, 68, 84, 86, 102, 119, 129, 172, 204, 238, 258, 301, 307, 357, 476, 516, 602, 614, 714, 731, 903, 921, 1204, 1228, 1428, 1462, 1806, 1842, 2149, 2193, 2924, 3612, 3684, 4298, 4386, 5117, 5219, 6447, 8596, 8772, 10234, 10438, 12894, 13201, 15351, 15657, 20468, 20876, 25788, 26402, 30702, 31314, 36533, 39603, 52804, 61404, 62628, 73066, 79206, 92407, 109599, 146132, 158412, 184814, 219198, 224417, 277221, 369628, 438396, 448834, 554442, 673251, 897668, 1108884, 1346502, 1570919, 2693004, 3141838, 4712757, 6283676, 9425514, 18851028]

約数ペア:

[(1, 18851028), (2, 9425514), (3, 6283676), (4, 4712757), (6, 3141838), (7, 2693004), (12, 1570919), (14, 1346502), (17, 1108884), (21, 897668), (28, 673251), (34, 554442), (42, 448834), (43, 438396), (51, 369628), (68, 277221), (84, 224417), (86, 219198), (102, 184814), (119, 158412), (129, 146132), (172, 109599), (204, 92407), (238, 79206), (258, 73066), (301, 62628), (307, 61404), (357, 52804), (476, 39603), (516, 36533), (602, 31314), (614, 30702), (714, 26402), (731, 25788), (903, 20876), (921, 20468), (1204, 15657), (1228, 15351), (1428, 13201), (1462, 12894), (1806, 10438), (1842, 10234), (2149, 8772), (2193, 8596), (2924, 6447), (3612, 5219), (3684, 5117), (4298, 4386)]