2019925215

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4519}}^1$

素因数の和:4594

約数の個数: 128

約数和(自身を含む): 4582195200

約数和(自身を除く): 2562269985

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 43, 45, 55, 63, 77, 99, 105, 129, 135, 165, 189, 215, 231, 297, 301, 315, 385, 387, 473, 495, 645, 693, 903, 945, 1155, 1161, 1419, 1485, 1505, 1935, 2079, 2365, 2709, 3311, 3465, 4257, 4515, 4519, 5805, 7095, 8127, 9933, 10395, 12771, 13545, 13557, 16555, 21285, 22595, 29799, 31633, 40635, 40671, 49665, 49709, 63855, 67785, 89397, 94899, 122013, 148995, 149127, 158165, 194317, 203355, 248545, 284697, 347963, 446985, 447381, 474495, 582951, 610065, 745635, 854091, 971585, 1043889, 1342143, 1360219, 1423485, 1739815, 1748853, 2137487, 2236905, 2914755, 3131667, 4080657, 4270455, 5219445, 5246559, 6412461, 6710715, 6801095, 8744265, 9395001, 10687435, 12241971, 14962409, 15658335, 19237383, 20403285, 26232795, 32062305, 36725913, 44887227, 46975005, 57712149, 61209855, 74812045, 96186915, 134661681, 183629565, 224436135, 288560745, 403985043, 673308405, 2019925215]

約数ペア:

[(1, 2019925215), (3, 673308405), (5, 403985043), (7, 288560745), (9, 224436135), (11, 183629565), (15, 134661681), (21, 96186915), (27, 74812045), (33, 61209855), (35, 57712149), (43, 46975005), (45, 44887227), (55, 36725913), (63, 32062305), (77, 26232795), (99, 20403285), (105, 19237383), (129, 15658335), (135, 14962409), (165, 12241971), (189, 10687435), (215, 9395001), (231, 8744265), (297, 6801095), (301, 6710715), (315, 6412461), (385, 5246559), (387, 5219445), (473, 4270455), (495, 4080657), (645, 3131667), (693, 2914755), (903, 2236905), (945, 2137487), (1155, 1748853), (1161, 1739815), (1419, 1423485), (1485, 1360219), (1505, 1342143), (1935, 1043889), (2079, 971585), (2365, 854091), (2709, 745635), (3311, 610065), (3465, 582951), (4257, 474495), (4515, 447381), (4519, 446985), (5805, 347963), (7095, 284697), (8127, 248545), (9933, 203355), (10395, 194317), (12771, 158165), (13545, 149127), (13557, 148995), (16555, 122013), (21285, 94899), (22595, 89397), (29799, 67785), (31633, 63855), (40635, 49709), (40671, 49665)]