18991424025

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1979}}^1$

素因数の和:2685

約数の個数: 120

約数和(自身を含む): 40283939520

約数和(自身を除く): 21292515495

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 677, 945, 1575, 1979, 2025, 2031, 2835, 3385, 4725, 4739, 5937, 6093, 9895, 10155, 13853, 14175, 14217, 16925, 17811, 18279, 23695, 29685, 30465, 41559, 42651, 49475, 50775, 53433, 54837, 69265, 71085, 89055, 91395, 118475, 124677, 127953, 148425, 152325, 160299, 207795, 213255, 267165, 274185, 346325, 355425, 374031, 383859, 445275, 456975, 623385, 639765, 801495, 1038975, 1066275, 1122093, 1335825, 1339783, 1370925, 1870155, 1919295, 3116925, 3198825, 4007475, 4019349, 5610465, 6698915, 9350775, 9378481, 9596475, 12058047, 20096745, 28052325, 28135443, 33494575, 36174141, 46892405, 60290235, 84406329, 100483725, 108522423, 140677215, 180870705, 234462025, 253218987, 301451175, 422031645, 542612115, 703386075, 759656961, 904353525, 1266094935, 2110158225, 2713060575, 3798284805, 6330474675, 18991424025]

約数ペア:

[(1, 18991424025), (3, 6330474675), (5, 3798284805), (7, 2713060575), (9, 2110158225), (15, 1266094935), (21, 904353525), (25, 759656961), (27, 703386075), (35, 542612115), (45, 422031645), (63, 301451175), (75, 253218987), (81, 234462025), (105, 180870705), (135, 140677215), (175, 108522423), (189, 100483725), (225, 84406329), (315, 60290235), (405, 46892405), (525, 36174141), (567, 33494575), (675, 28135443), (677, 28052325), (945, 20096745), (1575, 12058047), (1979, 9596475), (2025, 9378481), (2031, 9350775), (2835, 6698915), (3385, 5610465), (4725, 4019349), (4739, 4007475), (5937, 3198825), (6093, 3116925), (9895, 1919295), (10155, 1870155), (13853, 1370925), (14175, 1339783), (14217, 1335825), (16925, 1122093), (17811, 1066275), (18279, 1038975), (23695, 801495), (29685, 639765), (30465, 623385), (41559, 456975), (42651, 445275), (49475, 383859), (50775, 374031), (53433, 355425), (54837, 346325), (69265, 274185), (71085, 267165), (89055, 213255), (91395, 207795), (118475, 160299), (124677, 152325), (127953, 148425)]