19911746225

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{45677}}^1$

素因数の和:45794

約数の個数: 48

約数和(自身を含む): 29362549248

約数和(自身を除く): 9450803023

約数列:

[1, 5, 7, 25, 35, 47, 53, 175, 235, 265, 329, 371, 1175, 1325, 1645, 1855, 2491, 8225, 9275, 12455, 17437, 45677, 62275, 87185, 228385, 319739, 435925, 1141925, 1598695, 2146819, 2420881, 7993475, 10734095, 12104405, 15027733, 16946167, 53670475, 60522025, 75138665, 84730835, 113781407, 375693325, 423654175, 568907035, 796469849, 2844535175, 3982349245, 19911746225]

約数ペア:

[(1, 19911746225), (5, 3982349245), (7, 2844535175), (25, 796469849), (35, 568907035), (47, 423654175), (53, 375693325), (175, 113781407), (235, 84730835), (265, 75138665), (329, 60522025), (371, 53670475), (1175, 16946167), (1325, 15027733), (1645, 12104405), (1855, 10734095), (2491, 7993475), (8225, 2420881), (9275, 2146819), (12455, 1598695), (17437, 1141925), (45677, 435925), (62275, 319739), (87185, 228385)]