19768375

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{1307}}^1$

素因数の和:1344

約数の個数: 24

約数和(自身を含む): 27138384

約数和(自身を除く): 7370009

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1307, 1375, 3025, 6535, 14377, 15125, 32675, 71885, 158147, 163375, 359425, 790735, 1797125, 3953675, 19768375]

約数ペア:

[(1, 19768375), (5, 3953675), (11, 1797125), (25, 790735), (55, 359425), (121, 163375), (125, 158147), (275, 71885), (605, 32675), (1307, 15125), (1375, 14377), (3025, 6535)]