19626819975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21157}}^1$

素因数の和:21230

約数の個数: 144

約数和(自身を含む): 43656570880

約数和(自身を除く): 24029750905

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 31, 35, 45, 57, 63, 75, 93, 95, 105, 133, 155, 171, 175, 217, 225, 279, 285, 315, 399, 465, 475, 525, 589, 651, 665, 775, 855, 1085, 1197, 1395, 1425, 1575, 1767, 1953, 1995, 2325, 2945, 3255, 3325, 4123, 4275, 5301, 5425, 5985, 6975, 8835, 9765, 9975, 12369, 14725, 16275, 20615, 21157, 26505, 29925, 37107, 44175, 48825, 61845, 63471, 103075, 105785, 132525, 148099, 185535, 190413, 309225, 317355, 401983, 444297, 528925, 655867, 740495, 927675, 952065, 1205949, 1332891, 1586775, 1967601, 2009915, 2221485, 2813881, 3279335, 3617847, 3702475, 4591069, 4760325, 5902803, 6029745, 6664455, 8441643, 9838005, 10049575, 11107425, 12461473, 13773207, 14069405, 16396675, 18089235, 22955345, 25324929, 29514015, 30148725, 33322275, 37384419, 41319621, 42208215, 49190025, 62307365, 68866035, 70347025, 87230311, 90446175, 112153257, 114776725, 126624645, 147570075, 186922095, 206598105, 211041075, 261690933, 311536825, 344330175, 436151555, 560766285, 633123225, 785072799, 934610475, 1032990525, 1308454665, 2180757775, 2803831425, 3925363995, 6542273325, 19626819975]

約数ペア:

[(1, 19626819975), (3, 6542273325), (5, 3925363995), (7, 2803831425), (9, 2180757775), (15, 1308454665), (19, 1032990525), (21, 934610475), (25, 785072799), (31, 633123225), (35, 560766285), (45, 436151555), (57, 344330175), (63, 311536825), (75, 261690933), (93, 211041075), (95, 206598105), (105, 186922095), (133, 147570075), (155, 126624645), (171, 114776725), (175, 112153257), (217, 90446175), (225, 87230311), (279, 70347025), (285, 68866035), (315, 62307365), (399, 49190025), (465, 42208215), (475, 41319621), (525, 37384419), (589, 33322275), (651, 30148725), (665, 29514015), (775, 25324929), (855, 22955345), (1085, 18089235), (1197, 16396675), (1395, 14069405), (1425, 13773207), (1575, 12461473), (1767, 11107425), (1953, 10049575), (1995, 9838005), (2325, 8441643), (2945, 6664455), (3255, 6029745), (3325, 5902803), (4123, 4760325), (4275, 4591069), (5301, 3702475), (5425, 3617847), (5985, 3279335), (6975, 2813881), (8835, 2221485), (9765, 2009915), (9975, 1967601), (12369, 1586775), (14725, 1332891), (16275, 1205949), (20615, 952065), (21157, 927675), (26505, 740495), (29925, 655867), (37107, 528925), (44175, 444297), (48825, 401983), (61845, 317355), (63471, 309225), (103075, 190413), (105785, 185535), (132525, 148099)]