18641558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6961}}^1$

素因数の和:7079

約数の個数: 16

約数和(自身を含む): 30410016

約数和(自身を除く): 11768458

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 6961, 13922, 90493, 180986, 716983, 1433966, 9320779, 18641558]

約数ペア:

[(1, 18641558), (2, 9320779), (13, 1433966), (26, 716983), (103, 180986), (206, 90493), (1339, 13922), (2678, 6961)]