18161108

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1321}}^1$

素因数の和:1823

約数の個数: 24

約数和(自身を含む): 36423744

約数和(自身を除く): 18262636

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1321, 1964, 2642, 3437, 5284, 6874, 9247, 13748, 18494, 36988, 648611, 1297222, 2594444, 4540277, 9080554, 18161108]

約数ペア:

[(1, 18161108), (2, 9080554), (4, 4540277), (7, 2594444), (14, 1297222), (28, 648611), (491, 36988), (982, 18494), (1321, 13748), (1964, 9247), (2642, 6874), (3437, 5284)]