19481175

素因数分解:

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

素因数の和:83

約数の個数: 144

約数和(自身を含む): 45235200

約数和(自身を除く): 25754025

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 31, 35, 45, 49, 57, 63, 75, 93, 95, 105, 133, 135, 147, 155, 171, 175, 189, 217, 225, 245, 279, 285, 315, 399, 441, 465, 475, 513, 525, 589, 651, 665, 675, 735, 775, 837, 855, 931, 945, 1085, 1197, 1225, 1323, 1395, 1425, 1519, 1575, 1767, 1953, 1995, 2205, 2325, 2565, 2793, 2945, 3255, 3325, 3591, 3675, 4123, 4185, 4275, 4557, 4655, 4725, 5301, 5425, 5859, 5985, 6615, 6975, 7595, 8379, 8835, 9765, 9975, 11025, 12369, 12825, 13671, 13965, 14725, 15903, 16275, 17955, 20615, 20925, 22785, 23275, 25137, 26505, 28861, 29295, 29925, 33075, 37107, 37975, 41013, 41895, 44175, 48825, 61845, 68355, 69825, 79515, 86583, 89775, 103075, 111321, 113925, 125685, 132525, 144305, 146475, 185535, 205065, 209475, 259749, 309225, 341775, 397575, 432915, 556605, 628425, 721525, 779247, 927675, 1025325, 1298745, 2164575, 2783025, 3896235, 6493725, 19481175]

約数ペア:

[(1, 19481175), (3, 6493725), (5, 3896235), (7, 2783025), (9, 2164575), (15, 1298745), (19, 1025325), (21, 927675), (25, 779247), (27, 721525), (31, 628425), (35, 556605), (45, 432915), (49, 397575), (57, 341775), (63, 309225), (75, 259749), (93, 209475), (95, 205065), (105, 185535), (133, 146475), (135, 144305), (147, 132525), (155, 125685), (171, 113925), (175, 111321), (189, 103075), (217, 89775), (225, 86583), (245, 79515), (279, 69825), (285, 68355), (315, 61845), (399, 48825), (441, 44175), (465, 41895), (475, 41013), (513, 37975), (525, 37107), (589, 33075), (651, 29925), (665, 29295), (675, 28861), (735, 26505), (775, 25137), (837, 23275), (855, 22785), (931, 20925), (945, 20615), (1085, 17955), (1197, 16275), (1225, 15903), (1323, 14725), (1395, 13965), (1425, 13671), (1519, 12825), (1575, 12369), (1767, 11025), (1953, 9975), (1995, 9765), (2205, 8835), (2325, 8379), (2565, 7595), (2793, 6975), (2945, 6615), (3255, 5985), (3325, 5859), (3591, 5425), (3675, 5301), (4123, 4725), (4185, 4655), (4275, 4557)]