19428244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 37772532

約数和(自身を除く): 18344288

約数列:

[1, 2, 4, 11, 22, 44, 121, 137, 242, 274, 293, 484, 548, 586, 1172, 1507, 3014, 3223, 6028, 6446, 12892, 16577, 33154, 35453, 40141, 66308, 70906, 80282, 141812, 160564, 441551, 883102, 1766204, 4857061, 9714122, 19428244]

約数ペア:

[(1, 19428244), (2, 9714122), (4, 4857061), (11, 1766204), (22, 883102), (44, 441551), (121, 160564), (137, 141812), (242, 80282), (274, 70906), (293, 66308), (484, 40141), (548, 35453), (586, 33154), (1172, 16577), (1507, 12892), (3014, 6446), (3223, 6028)]