18205121078

素因数分解:

$2^1\times {\mathrm{1321}}^1\times {\mathrm{6890659}}^1$

素因数の和:6891982

約数の個数: 8

約数和(自身を含む): 27328357560

約数和(自身を除く): 9123236482

約数列:

[1, 2, 1321, 2642, 6890659, 13781318, 9102560539, 18205121078]

約数ペア:

[(1, 18205121078), (2, 9102560539), (1321, 13781318), (2642, 6890659)]