18982425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 41425920

約数和(自身を除く): 22443495

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 95, 105, 133, 165, 173, 175, 209, 231, 275, 285, 385, 399, 475, 519, 525, 627, 665, 825, 865, 1045, 1155, 1211, 1425, 1463, 1903, 1925, 1995, 2595, 3135, 3287, 3325, 3633, 4325, 4389, 5225, 5709, 5775, 6055, 7315, 9515, 9861, 9975, 12975, 13321, 15675, 16435, 18165, 21945, 23009, 28545, 30275, 36157, 36575, 39963, 47575, 49305, 66605, 69027, 82175, 90825, 108471, 109725, 115045, 142725, 180785, 199815, 246525, 253099, 333025, 345135, 542355, 575225, 759297, 903925, 999075, 1265495, 1725675, 2711775, 3796485, 6327475, 18982425]

約数ペア:

[(1, 18982425), (3, 6327475), (5, 3796485), (7, 2711775), (11, 1725675), (15, 1265495), (19, 999075), (21, 903925), (25, 759297), (33, 575225), (35, 542355), (55, 345135), (57, 333025), (75, 253099), (77, 246525), (95, 199815), (105, 180785), (133, 142725), (165, 115045), (173, 109725), (175, 108471), (209, 90825), (231, 82175), (275, 69027), (285, 66605), (385, 49305), (399, 47575), (475, 39963), (519, 36575), (525, 36157), (627, 30275), (665, 28545), (825, 23009), (865, 21945), (1045, 18165), (1155, 16435), (1211, 15675), (1425, 13321), (1463, 12975), (1903, 9975), (1925, 9861), (1995, 9515), (2595, 7315), (3135, 6055), (3287, 5775), (3325, 5709), (3633, 5225), (4325, 4389)]