17906768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1433}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 38408256

約数和(自身を除く): 20501488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1433, 1562, 2866, 3124, 5732, 6248, 11464, 12496, 15763, 22928, 31526, 63052, 101743, 126104, 203486, 252208, 406972, 813944, 1119173, 1627888, 2238346, 4476692, 8953384, 17906768]

約数ペア:

[(1, 17906768), (2, 8953384), (4, 4476692), (8, 2238346), (11, 1627888), (16, 1119173), (22, 813944), (44, 406972), (71, 252208), (88, 203486), (142, 126104), (176, 101743), (284, 63052), (568, 31526), (781, 22928), (1136, 15763), (1433, 12496), (1562, 11464), (2866, 6248), (3124, 5732)]