18994105088

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{460843}}^1$

素因数の和:460889

約数の個数: 72

約数和(自身を含む): 45214326528

約数和(自身を除く): 26220221440

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 644, 736, 896, 1288, 1472, 1792, 2576, 2944, 5152, 5888, 10304, 20608, 41216, 460843, 921686, 1843372, 3225901, 3686744, 6451802, 7373488, 10599389, 12903604, 14746976, 21198778, 25807208, 29493952, 42397556, 51614416, 58987904, 74195723, 84795112, 103228832, 117975808, 148391446, 169590224, 206457664, 296782892, 339180448, 412915328, 593565784, 678360896, 825830656, 1187131568, 1356721792, 2374263136, 2713443584, 4748526272, 9497052544, 18994105088]

約数ペア:

[(1, 18994105088), (2, 9497052544), (4, 4748526272), (7, 2713443584), (8, 2374263136), (14, 1356721792), (16, 1187131568), (23, 825830656), (28, 678360896), (32, 593565784), (46, 412915328), (56, 339180448), (64, 296782892), (92, 206457664), (112, 169590224), (128, 148391446), (161, 117975808), (184, 103228832), (224, 84795112), (256, 74195723), (322, 58987904), (368, 51614416), (448, 42397556), (644, 29493952), (736, 25807208), (896, 21198778), (1288, 14746976), (1472, 12903604), (1792, 10599389), (2576, 7373488), (2944, 6451802), (5152, 3686744), (5888, 3225901), (10304, 1843372), (20608, 921686), (41216, 460843)]