18987056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107881}}^1$

素因数の和:107900

約数の個数: 20

約数和(自身を含む): 40132104

約数和(自身を除く): 21145048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107881, 215762, 431524, 863048, 1186691, 1726096, 2373382, 4746764, 9493528, 18987056]

約数ペア:

[(1, 18987056), (2, 9493528), (4, 4746764), (8, 2373382), (11, 1726096), (16, 1186691), (22, 863048), (44, 431524), (88, 215762), (176, 107881)]