1807713770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 3482265600

約数和(自身を除く): 1674551830

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 191, 218, 382, 457, 545, 914, 955, 1090, 1910, 2071, 2285, 3629, 4142, 4570, 7258, 8683, 10355, 17366, 18145, 20710, 20819, 36290, 41638, 43415, 49813, 86830, 87287, 99626, 104095, 174574, 208190, 249065, 395561, 436435, 498130, 791122, 872870, 946447, 1658453, 1892894, 1977805, 3316906, 3955610, 4732235, 8292265, 9464470, 9514283, 16584530, 19028566, 47571415, 95142830, 180771377, 361542754, 903856885, 1807713770]

約数ペア:

[(1, 1807713770), (2, 903856885), (5, 361542754), (10, 180771377), (19, 95142830), (38, 47571415), (95, 19028566), (109, 16584530), (190, 9514283), (191, 9464470), (218, 8292265), (382, 4732235), (457, 3955610), (545, 3316906), (914, 1977805), (955, 1892894), (1090, 1658453), (1910, 946447), (2071, 872870), (2285, 791122), (3629, 498130), (4142, 436435), (4570, 395561), (7258, 249065), (8683, 208190), (10355, 174574), (17366, 104095), (18145, 99626), (20710, 87287), (20819, 86830), (36290, 49813), (41638, 43415)]