19922925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 39997440

約数和(自身を除く): 20074515

約数列:

[1, 3, 5, 11, 15, 19, 25, 31, 33, 41, 55, 57, 75, 93, 95, 123, 155, 165, 205, 209, 275, 285, 341, 451, 465, 475, 589, 615, 627, 775, 779, 825, 1023, 1025, 1045, 1271, 1353, 1425, 1705, 1767, 2255, 2325, 2337, 2945, 3075, 3135, 3813, 3895, 5115, 5225, 6355, 6479, 6765, 8525, 8569, 8835, 11275, 11685, 13981, 14725, 15675, 19065, 19437, 19475, 24149, 25575, 25707, 31775, 32395, 33825, 41943, 42845, 44175, 58425, 69905, 72447, 95325, 97185, 120745, 128535, 161975, 209715, 214225, 265639, 349525, 362235, 485925, 603725, 642675, 796917, 1048575, 1328195, 1811175, 3984585, 6640975, 19922925]

約数ペア:

[(1, 19922925), (3, 6640975), (5, 3984585), (11, 1811175), (15, 1328195), (19, 1048575), (25, 796917), (31, 642675), (33, 603725), (41, 485925), (55, 362235), (57, 349525), (75, 265639), (93, 214225), (95, 209715), (123, 161975), (155, 128535), (165, 120745), (205, 97185), (209, 95325), (275, 72447), (285, 69905), (341, 58425), (451, 44175), (465, 42845), (475, 41943), (589, 33825), (615, 32395), (627, 31775), (775, 25707), (779, 25575), (825, 24149), (1023, 19475), (1025, 19437), (1045, 19065), (1271, 15675), (1353, 14725), (1425, 13981), (1705, 11685), (1767, 11275), (2255, 8835), (2325, 8569), (2337, 8525), (2945, 6765), (3075, 6479), (3135, 6355), (3813, 5225), (3895, 5115)]