18861856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{45341}}^1$

素因数の和:45364

約数の個数: 24

約数和(自身を含む): 39991644

約数和(自身を除く): 21129788

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 45341, 90682, 181364, 362728, 589433, 725456, 1178866, 1450912, 2357732, 4715464, 9430928, 18861856]

約数ペア:

[(1, 18861856), (2, 9430928), (4, 4715464), (8, 2357732), (13, 1450912), (16, 1178866), (26, 725456), (32, 589433), (52, 362728), (104, 181364), (208, 90682), (416, 45341)]