19490690

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 16451710

約数列:

[1, 2, 5, 10, 103, 127, 149, 206, 254, 298, 515, 635, 745, 1030, 1270, 1490, 13081, 15347, 18923, 26162, 30694, 37846, 65405, 76735, 94615, 130810, 153470, 189230, 1949069, 3898138, 9745345, 19490690]

約数ペア:

[(1, 19490690), (2, 9745345), (5, 3898138), (10, 1949069), (103, 189230), (127, 153470), (149, 130810), (206, 94615), (254, 76735), (298, 65405), (515, 37846), (635, 30694), (745, 26162), (1030, 18923), (1270, 15347), (1490, 13081)]