18289018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19333}}^1$

素因数の和:19389

約数の個数: 16

約数和(自身を含む): 30625056

約数和(自身を除く): 12336038

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19333, 38666, 212663, 425326, 831319, 1662638, 9144509, 18289018]

約数ペア:

[(1, 18289018), (2, 9144509), (11, 1662638), (22, 831319), (43, 425326), (86, 212663), (473, 38666), (946, 19333)]