18716558

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4184

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 17053042

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4139, 4522, 8278, 28973, 57946, 70363, 78641, 140726, 157282, 492541, 550487, 985082, 1100974, 1336897, 2673794, 9358279, 18716558]

約数ペア:

[(1, 18716558), (2, 9358279), (7, 2673794), (14, 1336897), (17, 1100974), (19, 985082), (34, 550487), (38, 492541), (119, 157282), (133, 140726), (238, 78641), (266, 70363), (323, 57946), (646, 28973), (2261, 8278), (4139, 4522)]