18665724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20201}}^1$

素因数の和:20226

約数の個数: 48

約数和(自身を含む): 54302976

約数和(自身を除く): 35637252

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20201, 40402, 60603, 80804, 121206, 141407, 222211, 242412, 282814, 424221, 444422, 565628, 666633, 848442, 888844, 1333266, 1555477, 1696884, 2666532, 3110954, 4666431, 6221908, 9332862, 18665724]

約数ペア:

[(1, 18665724), (2, 9332862), (3, 6221908), (4, 4666431), (6, 3110954), (7, 2666532), (11, 1696884), (12, 1555477), (14, 1333266), (21, 888844), (22, 848442), (28, 666633), (33, 565628), (42, 444422), (44, 424221), (66, 282814), (77, 242412), (84, 222211), (132, 141407), (154, 121206), (231, 80804), (308, 60603), (462, 40402), (924, 20201)]