19514275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6451}}^1$

素因数の和:6483

約数の個数: 18

約数和(自身を含む): 26601596

約数和(自身を除く): 7087321

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6451, 32255, 70961, 161275, 354805, 780571, 1774025, 3902855, 19514275]

約数ペア:

[(1, 19514275), (5, 3902855), (11, 1774025), (25, 780571), (55, 354805), (121, 161275), (275, 70961), (605, 32255), (3025, 6451)]