19754416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112241}}^1$

素因数の和:112260

約数の個数: 20

約数和(自身を含む): 41754024

約数和(自身を除く): 21999608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112241, 224482, 448964, 897928, 1234651, 1795856, 2469302, 4938604, 9877208, 19754416]

約数ペア:

[(1, 19754416), (2, 9877208), (4, 4938604), (8, 2469302), (11, 1795856), (16, 1234651), (22, 897928), (44, 448964), (88, 224482), (176, 112241)]