18339475

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1361}}^1$

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 28879848

約数和(自身を除く): 10540373

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1361, 1925, 2695, 6805, 9527, 13475, 14971, 34025, 47635, 66689, 74855, 104797, 238175, 333445, 374275, 523985, 733579, 1667225, 2619925, 3667895, 18339475]

約数ペア:

[(1, 18339475), (5, 3667895), (7, 2619925), (11, 1667225), (25, 733579), (35, 523985), (49, 374275), (55, 333445), (77, 238175), (175, 104797), (245, 74855), (275, 66689), (385, 47635), (539, 34025), (1225, 14971), (1361, 13475), (1925, 9527), (2695, 6805)]