17981264

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{887}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 40080768

約数和(自身を除く): 22099504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 887, 1267, 1448, 1774, 2534, 2896, 3548, 5068, 6209, 7096, 10136, 12418, 14192, 20272, 24836, 49672, 99344, 160547, 321094, 642188, 1123829, 1284376, 2247658, 2568752, 4495316, 8990632, 17981264]

約数ペア:

[(1, 17981264), (2, 8990632), (4, 4495316), (7, 2568752), (8, 2247658), (14, 1284376), (16, 1123829), (28, 642188), (56, 321094), (112, 160547), (181, 99344), (362, 49672), (724, 24836), (887, 20272), (1267, 14192), (1448, 12418), (1774, 10136), (2534, 7096), (2896, 6209), (3548, 5068)]