18189556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 22090124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 146, 154, 292, 308, 511, 803, 809, 1022, 1606, 1618, 2044, 3212, 3236, 5621, 5663, 8899, 11242, 11326, 17798, 22484, 22652, 35596, 59057, 62293, 118114, 124586, 236228, 249172, 413399, 649627, 826798, 1299254, 1653596, 2598508, 4547389, 9094778, 18189556]

約数ペア:

[(1, 18189556), (2, 9094778), (4, 4547389), (7, 2598508), (11, 1653596), (14, 1299254), (22, 826798), (28, 649627), (44, 413399), (73, 249172), (77, 236228), (146, 124586), (154, 118114), (292, 62293), (308, 59057), (511, 35596), (803, 22652), (809, 22484), (1022, 17798), (1606, 11326), (1618, 11242), (2044, 8899), (3212, 5663), (3236, 5621)]