17785979401

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 19972251648

約数和(自身を除く): 2186272247

約数列:

[1, 19, 31, 53, 157, 191, 361, 589, 1007, 1643, 2983, 3629, 4867, 5921, 8321, 10123, 11191, 19133, 29987, 31217, 56677, 68951, 92473, 112499, 158099, 192337, 257951, 313813, 569753, 593123, 929597, 1589311, 1756987, 2137481, 3003881, 3654403, 4901069, 5962447, 10825307, 17662343, 30196909, 49268641, 93120311, 113286493, 335584517, 573741271, 936104179, 17785979401]

約数ペア:

[(1, 17785979401), (19, 936104179), (31, 573741271), (53, 335584517), (157, 113286493), (191, 93120311), (361, 49268641), (589, 30196909), (1007, 17662343), (1643, 10825307), (2983, 5962447), (3629, 4901069), (4867, 3654403), (5921, 3003881), (8321, 2137481), (10123, 1756987), (11191, 1589311), (19133, 929597), (29987, 593123), (31217, 569753), (56677, 313813), (68951, 257951), (92473, 192337), (112499, 158099)]