18640421376

素因数分解:

$2^9\times 3^1\times {\mathrm{433}}^1\times {\mathrm{28027}}^1$

素因数の和:28481

約数の個数: 80

約数和(自身を含む): 49775709984

約数和(自身を除く): 31135288608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 433, 512, 768, 866, 1299, 1536, 1732, 2598, 3464, 5196, 6928, 10392, 13856, 20784, 27712, 28027, 41568, 55424, 56054, 83136, 84081, 110848, 112108, 166272, 168162, 221696, 224216, 332544, 336324, 448432, 665088, 672648, 896864, 1345296, 1793728, 2690592, 3587456, 5381184, 7174912, 10762368, 12135691, 14349824, 21524736, 24271382, 36407073, 43049472, 48542764, 72814146, 97085528, 145628292, 194171056, 291256584, 388342112, 582513168, 776684224, 1165026336, 1553368448, 2330052672, 3106736896, 4660105344, 6213473792, 9320210688, 18640421376]

約数ペア:

[(1, 18640421376), (2, 9320210688), (3, 6213473792), (4, 4660105344), (6, 3106736896), (8, 2330052672), (12, 1553368448), (16, 1165026336), (24, 776684224), (32, 582513168), (48, 388342112), (64, 291256584), (96, 194171056), (128, 145628292), (192, 97085528), (256, 72814146), (384, 48542764), (433, 43049472), (512, 36407073), (768, 24271382), (866, 21524736), (1299, 14349824), (1536, 12135691), (1732, 10762368), (2598, 7174912), (3464, 5381184), (5196, 3587456), (6928, 2690592), (10392, 1793728), (13856, 1345296), (20784, 896864), (27712, 672648), (28027, 665088), (41568, 448432), (55424, 336324), (56054, 332544), (83136, 224216), (84081, 221696), (110848, 168162), (112108, 166272)]