18996977385

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{24443}}^1$

素因数の和:24580

約数の個数: 80

約数和(自身を含む): 36202541760

約数和(自身を除く): 17205564375

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 101, 135, 171, 285, 303, 405, 505, 513, 855, 909, 1515, 1539, 1919, 2565, 2727, 4545, 5757, 7695, 8181, 9595, 13635, 17271, 24443, 28785, 40905, 51813, 73329, 86355, 122215, 155439, 219987, 259065, 366645, 464417, 659961, 777195, 1099935, 1393251, 1979883, 2322085, 2468743, 3299805, 4179753, 6966255, 7406229, 9899415, 12343715, 12539259, 20898765, 22218687, 37031145, 37617777, 46906117, 62696295, 66656061, 111093435, 140718351, 188088885, 199968183, 234530585, 333280305, 422155053, 703591755, 999840915, 1266465159, 2110775265, 3799395477, 6332325795, 18996977385]

約数ペア:

[(1, 18996977385), (3, 6332325795), (5, 3799395477), (9, 2110775265), (15, 1266465159), (19, 999840915), (27, 703591755), (45, 422155053), (57, 333280305), (81, 234530585), (95, 199968183), (101, 188088885), (135, 140718351), (171, 111093435), (285, 66656061), (303, 62696295), (405, 46906117), (505, 37617777), (513, 37031145), (855, 22218687), (909, 20898765), (1515, 12539259), (1539, 12343715), (1919, 9899415), (2565, 7406229), (2727, 6966255), (4545, 4179753), (5757, 3299805), (7695, 2468743), (8181, 2322085), (9595, 1979883), (13635, 1393251), (17271, 1099935), (24443, 777195), (28785, 659961), (40905, 464417), (51813, 366645), (73329, 259065), (86355, 219987), (122215, 155439)]