18788960

素因数分解:

$2^5\times 5^1\times {\mathrm{117431}}^1$

素因数の和:117446

約数の個数: 24

約数和(自身を含む): 44389296

約数和(自身を除く): 25600336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117431, 234862, 469724, 587155, 939448, 1174310, 1878896, 2348620, 3757792, 4697240, 9394480, 18788960]

約数ペア:

[(1, 18788960), (2, 9394480), (4, 4697240), (5, 3757792), (8, 2348620), (10, 1878896), (16, 1174310), (20, 939448), (32, 587155), (40, 469724), (80, 234862), (160, 117431)]