18017872

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12653}}^1$

素因数の和:12750

約数の個数: 20

約数和(自身を含む): 35304660

約数和(自身を除く): 17286788

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12653, 25306, 50612, 101224, 202448, 1126117, 2252234, 4504468, 9008936, 18017872]

約数ペア:

[(1, 18017872), (2, 9008936), (4, 4504468), (8, 2252234), (16, 1126117), (89, 202448), (178, 101224), (356, 50612), (712, 25306), (1424, 12653)]