17996468

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 37425024

約数和(自身を除く): 19428556

約数列:

[1, 2, 4, 7, 14, 28, 53, 67, 106, 134, 181, 212, 268, 362, 371, 469, 724, 742, 938, 1267, 1484, 1876, 2534, 3551, 5068, 7102, 9593, 12127, 14204, 19186, 24254, 24857, 38372, 48508, 49714, 67151, 84889, 99428, 134302, 169778, 268604, 339556, 642731, 1285462, 2570924, 4499117, 8998234, 17996468]

約数ペア:

[(1, 17996468), (2, 8998234), (4, 4499117), (7, 2570924), (14, 1285462), (28, 642731), (53, 339556), (67, 268604), (106, 169778), (134, 134302), (181, 99428), (212, 84889), (268, 67151), (362, 49714), (371, 48508), (469, 38372), (724, 24857), (742, 24254), (938, 19186), (1267, 14204), (1484, 12127), (1876, 9593), (2534, 7102), (3551, 5068)]