18863866

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25423}}^1$

素因数の和:25485

約数の個数: 16

約数和(自身を含む): 32949504

約数和(自身を除く): 14085638

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 25423, 50846, 177961, 355922, 1347419, 2694838, 9431933, 18863866]

約数ペア:

[(1, 18863866), (2, 9431933), (7, 2694838), (14, 1347419), (53, 355922), (106, 177961), (371, 50846), (742, 25423)]