18659248

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 38044688

約数和(自身を除く): 19385440

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 733, 1466, 1591, 2932, 3182, 5864, 6364, 11728, 12728, 25456, 27121, 31519, 54242, 63038, 108484, 126076, 216968, 252152, 433936, 504304, 1166203, 2332406, 4664812, 9329624, 18659248]

約数ペア:

[(1, 18659248), (2, 9329624), (4, 4664812), (8, 2332406), (16, 1166203), (37, 504304), (43, 433936), (74, 252152), (86, 216968), (148, 126076), (172, 108484), (296, 63038), (344, 54242), (592, 31519), (688, 27121), (733, 25456), (1466, 12728), (1591, 11728), (2932, 6364), (3182, 5864)]