19321885

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 25807320

約数和(自身を除く): 6485435

約数列:

[1, 5, 11, 55, 109, 121, 293, 545, 605, 1199, 1465, 3223, 5995, 13189, 16115, 31937, 35453, 65945, 159685, 177265, 351307, 1756535, 3864377, 19321885]

約数ペア:

[(1, 19321885), (5, 3864377), (11, 1756535), (55, 351307), (109, 177265), (121, 159685), (293, 65945), (545, 35453), (605, 31937), (1199, 16115), (1465, 13189), (3223, 5995)]