19925675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{941}}^1$

素因数の和:980

約数の個数: 36

約数和(自身を含む): 31070928

約数和(自身を除く): 11145253

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 941, 1925, 3025, 4235, 4705, 6587, 10351, 21175, 23525, 32935, 51755, 72457, 113861, 164675, 258775, 362285, 569305, 797027, 1811425, 2846525, 3985135, 19925675]

約数ペア:

[(1, 19925675), (5, 3985135), (7, 2846525), (11, 1811425), (25, 797027), (35, 569305), (55, 362285), (77, 258775), (121, 164675), (175, 113861), (275, 72457), (385, 51755), (605, 32935), (847, 23525), (941, 21175), (1925, 10351), (3025, 6587), (4235, 4705)]