18490492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{271919}}^1$

素因数の和:271940

約数の個数: 12

約数和(自身を含む): 34261920

約数和(自身を除く): 15771428

約数列:

[1, 2, 4, 17, 34, 68, 271919, 543838, 1087676, 4622623, 9245246, 18490492]

約数ペア:

[(1, 18490492), (2, 9245246), (4, 4622623), (17, 1087676), (34, 543838), (68, 271919)]