18780814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7013}}^1$

素因数の和:7131

約数の個数: 16

約数和(自身を含む): 30637152

約数和(自身を除く): 11856338

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7013, 14026, 91169, 182338, 722339, 1444678, 9390407, 18780814]

約数ペア:

[(1, 18780814), (2, 9390407), (13, 1444678), (26, 722339), (103, 182338), (206, 91169), (1339, 14026), (2678, 7013)]