19571145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 35392896

約数和(自身を除く): 15821751

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 121, 123, 165, 205, 263, 363, 451, 605, 615, 789, 1315, 1353, 1815, 2255, 2893, 3945, 4961, 6765, 8679, 10783, 14465, 14883, 24805, 31823, 32349, 43395, 53915, 74415, 95469, 118613, 159115, 161745, 355839, 477345, 593065, 1304743, 1779195, 3914229, 6523715, 19571145]

約数ペア:

[(1, 19571145), (3, 6523715), (5, 3914229), (11, 1779195), (15, 1304743), (33, 593065), (41, 477345), (55, 355839), (121, 161745), (123, 159115), (165, 118613), (205, 95469), (263, 74415), (363, 53915), (451, 43395), (605, 32349), (615, 31823), (789, 24805), (1315, 14883), (1353, 14465), (1815, 10783), (2255, 8679), (2893, 6765), (3945, 4961)]