18838006

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 34760880

約数和(自身を除く): 15922874

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 121, 187, 209, 241, 242, 323, 374, 418, 482, 646, 2057, 2299, 2651, 3553, 4097, 4114, 4579, 4598, 5302, 7106, 8194, 9158, 29161, 39083, 45067, 50369, 58322, 77843, 78166, 90134, 100738, 155686, 495737, 554059, 856273, 991474, 1108118, 1712546, 9419003, 18838006]

約数ペア:

[(1, 18838006), (2, 9419003), (11, 1712546), (17, 1108118), (19, 991474), (22, 856273), (34, 554059), (38, 495737), (121, 155686), (187, 100738), (209, 90134), (241, 78166), (242, 77843), (323, 58322), (374, 50369), (418, 45067), (482, 39083), (646, 29161), (2057, 9158), (2299, 8194), (2651, 7106), (3553, 5302), (4097, 4598), (4114, 4579)]