18918224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4787}}^1$

素因数の和:4827

約数の個数: 40

約数和(自身を含む): 41559840

約数和(自身を除く): 22641616

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4787, 9574, 19148, 38296, 62231, 76592, 90953, 124462, 181906, 248924, 363812, 497848, 727624, 995696, 1182389, 1455248, 2364778, 4729556, 9459112, 18918224]

約数ペア:

[(1, 18918224), (2, 9459112), (4, 4729556), (8, 2364778), (13, 1455248), (16, 1182389), (19, 995696), (26, 727624), (38, 497848), (52, 363812), (76, 248924), (104, 181906), (152, 124462), (208, 90953), (247, 76592), (304, 62231), (494, 38296), (988, 19148), (1976, 9574), (3952, 4787)]