19479845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2663}}^1$

素因数の和:2705

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 11209435

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2663, 7315, 13315, 18641, 29293, 50597, 93205, 146465, 205051, 252985, 354179, 556567, 1025255, 1770895, 2782835, 3895969, 19479845]

約数ペア:

[(1, 19479845), (5, 3895969), (7, 2782835), (11, 1770895), (19, 1025255), (35, 556567), (55, 354179), (77, 252985), (95, 205051), (133, 146465), (209, 93205), (385, 50597), (665, 29293), (1045, 18641), (1463, 13315), (2663, 7315)]