18100456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 19457624

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 2897, 3124, 5794, 6248, 11588, 23176, 31867, 63734, 127468, 205687, 254936, 411374, 822748, 1645496, 2262557, 4525114, 9050228, 18100456]

約数ペア:

[(1, 18100456), (2, 9050228), (4, 4525114), (8, 2262557), (11, 1645496), (22, 822748), (44, 411374), (71, 254936), (88, 205687), (142, 127468), (284, 63734), (568, 31867), (781, 23176), (1562, 11588), (2897, 6248), (3124, 5794)]