18081217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 7078463

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 727, 1309, 1463, 2261, 3553, 5089, 7997, 12359, 13813, 24871, 55979, 86513, 96691, 135949, 151943, 234821, 951643, 1063601, 1643747, 2583031, 18081217]

約数ペア:

[(1, 18081217), (7, 2583031), (11, 1643747), (17, 1063601), (19, 951643), (77, 234821), (119, 151943), (133, 135949), (187, 96691), (209, 86513), (323, 55979), (727, 24871), (1309, 13813), (1463, 12359), (2261, 7997), (3553, 5089)]