18904336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2903}}^1$

素因数の和:2959

約数の個数: 40

約数和(自身を含む): 41050944

約数和(自身を除く): 22146608

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 2903, 3256, 5806, 6512, 11612, 23224, 31933, 46448, 63866, 107411, 127732, 214822, 255464, 429644, 510928, 859288, 1181521, 1718576, 2363042, 4726084, 9452168, 18904336]

約数ペア:

[(1, 18904336), (2, 9452168), (4, 4726084), (8, 2363042), (11, 1718576), (16, 1181521), (22, 859288), (37, 510928), (44, 429644), (74, 255464), (88, 214822), (148, 127732), (176, 107411), (296, 63866), (407, 46448), (592, 31933), (814, 23224), (1628, 11612), (2903, 6512), (3256, 5806)]