20181279128

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{366293}}^1$

素因数の和:366467

約数の個数: 32

約数和(自身を含む): 38768556960

約数和(自身を除く): 18587277832

約数列:

[1, 2, 4, 8, 71, 97, 142, 194, 284, 388, 568, 776, 6887, 13774, 27548, 55096, 366293, 732586, 1465172, 2930344, 26006803, 35530421, 52013606, 71060842, 104027212, 142121684, 208054424, 284243368, 2522659891, 5045319782, 10090639564, 20181279128]

約数ペア:

[(1, 20181279128), (2, 10090639564), (4, 5045319782), (8, 2522659891), (71, 284243368), (97, 208054424), (142, 142121684), (194, 104027212), (284, 71060842), (388, 52013606), (568, 35530421), (776, 26006803), (6887, 2930344), (13774, 1465172), (27548, 732586), (55096, 366293)]