19653885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 36341760

約数和(自身を除く): 16687875

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 127, 171, 181, 285, 381, 543, 635, 855, 905, 1143, 1629, 1905, 2413, 2715, 3439, 5715, 7239, 8145, 10317, 12065, 17195, 21717, 22987, 30951, 36195, 51585, 68961, 108585, 114935, 154755, 206883, 344805, 436753, 1034415, 1310259, 2183765, 3930777, 6551295, 19653885]

約数ペア:

[(1, 19653885), (3, 6551295), (5, 3930777), (9, 2183765), (15, 1310259), (19, 1034415), (45, 436753), (57, 344805), (95, 206883), (127, 154755), (171, 114935), (181, 108585), (285, 68961), (381, 51585), (543, 36195), (635, 30951), (855, 22987), (905, 21717), (1143, 17195), (1629, 12065), (1905, 10317), (2413, 8145), (2715, 7239), (3439, 5715)]