19858168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2127

約数の個数: 32

約数和(自身を含む): 40998960

約数和(自身を除く): 21140792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 1997, 2486, 3994, 4972, 7988, 9944, 15976, 21967, 43934, 87868, 175736, 225661, 451322, 902644, 1805288, 2482271, 4964542, 9929084, 19858168]

約数ペア:

[(1, 19858168), (2, 9929084), (4, 4964542), (8, 2482271), (11, 1805288), (22, 902644), (44, 451322), (88, 225661), (113, 175736), (226, 87868), (452, 43934), (904, 21967), (1243, 15976), (1997, 9944), (2486, 7988), (3994, 4972)]