18896176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90847}}^1$

素因数の和:90868

約数の個数: 20

約数和(自身を含む): 39428032

約数和(自身を除く): 20531856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90847, 181694, 363388, 726776, 1181011, 1453552, 2362022, 4724044, 9448088, 18896176]

約数ペア:

[(1, 18896176), (2, 9448088), (4, 4724044), (8, 2362022), (13, 1453552), (16, 1181011), (26, 726776), (52, 363388), (104, 181694), (208, 90847)]