18938425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4051}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 27132192

約数和(自身を除く): 8193767

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4051, 4675, 20255, 44561, 68867, 101275, 222805, 344335, 757537, 1114025, 1721675, 3787685, 18938425]

約数ペア:

[(1, 18938425), (5, 3787685), (11, 1721675), (17, 1114025), (25, 757537), (55, 344335), (85, 222805), (187, 101275), (275, 68867), (425, 44561), (935, 20255), (4051, 4675)]