18955976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1613}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 38639160

約数和(自身を除く): 19683184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1613, 2938, 3226, 5876, 6452, 11752, 12904, 20969, 41938, 83876, 167752, 182269, 364538, 729076, 1458152, 2369497, 4738994, 9477988, 18955976]

約数ペア:

[(1, 18955976), (2, 9477988), (4, 4738994), (8, 2369497), (13, 1458152), (26, 729076), (52, 364538), (104, 182269), (113, 167752), (226, 83876), (452, 41938), (904, 20969), (1469, 12904), (1613, 11752), (2938, 6452), (3226, 5876)]