18867804904

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{13955477}}^1$

素因数の和:13955509

約数の個数: 24

約数和(自身を含む): 38307787110

約数和(自身を除く): 19439982206

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 13955477, 27910954, 55821908, 111643816, 181421201, 362842402, 725684804, 1451369608, 2358475613, 4716951226, 9433902452, 18867804904]

約数ペア:

[(1, 18867804904), (2, 9433902452), (4, 4716951226), (8, 2358475613), (13, 1451369608), (26, 725684804), (52, 362842402), (104, 181421201), (169, 111643816), (338, 55821908), (676, 27910954), (1352, 13955477)]