18275684

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 20189596

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 284, 317, 406, 497, 634, 812, 994, 1268, 1988, 2059, 2219, 4118, 4438, 8236, 8876, 9193, 14413, 18386, 22507, 28826, 36772, 45014, 57652, 64351, 90028, 128702, 157549, 257404, 315098, 630196, 652703, 1305406, 2610812, 4568921, 9137842, 18275684]

約数ペア:

[(1, 18275684), (2, 9137842), (4, 4568921), (7, 2610812), (14, 1305406), (28, 652703), (29, 630196), (58, 315098), (71, 257404), (116, 157549), (142, 128702), (203, 90028), (284, 64351), (317, 57652), (406, 45014), (497, 36772), (634, 28826), (812, 22507), (994, 18386), (1268, 14413), (1988, 9193), (2059, 8876), (2219, 8236), (4118, 4438)]