16912180

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2719}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 35642880

約数和(自身を除く): 18730700

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2719, 3110, 5438, 6220, 10876, 13595, 27190, 54380, 845609, 1691218, 3382436, 4228045, 8456090, 16912180]

約数ペア:

[(1, 16912180), (2, 8456090), (4, 4228045), (5, 3382436), (10, 1691218), (20, 845609), (311, 54380), (622, 27190), (1244, 13595), (1555, 10876), (2719, 6220), (3110, 5438)]