18987152025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1061}}^1$

素因数の和:1327

約数の個数: 96

約数和(自身を含む): 33375006720

約数和(自身を除く): 14387854695

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 179, 215, 465, 537, 645, 775, 895, 1061, 1075, 1333, 2325, 2685, 3183, 3225, 3999, 4475, 5305, 5549, 6665, 7697, 13425, 15915, 16647, 19995, 23091, 26525, 27745, 32891, 33325, 38485, 45623, 79575, 83235, 98673, 99975, 115455, 136869, 138725, 164455, 189919, 192425, 228115, 238607, 416175, 493365, 569757, 577275, 684345, 715821, 822275, 949595, 1140575, 1193035, 1414313, 2466825, 2848785, 3421725, 3579105, 4242939, 4747975, 5887489, 5965175, 7071565, 8166517, 14243925, 17662467, 17895525, 21214695, 24499551, 29437445, 35357825, 40832585, 88312335, 106073475, 122497755, 147187225, 204162925, 253162027, 441561675, 612488775, 759486081, 1265810135, 3797430405, 6329050675, 18987152025]

約数ペア:

[(1, 18987152025), (3, 6329050675), (5, 3797430405), (15, 1265810135), (25, 759486081), (31, 612488775), (43, 441561675), (75, 253162027), (93, 204162925), (129, 147187225), (155, 122497755), (179, 106073475), (215, 88312335), (465, 40832585), (537, 35357825), (645, 29437445), (775, 24499551), (895, 21214695), (1061, 17895525), (1075, 17662467), (1333, 14243925), (2325, 8166517), (2685, 7071565), (3183, 5965175), (3225, 5887489), (3999, 4747975), (4475, 4242939), (5305, 3579105), (5549, 3421725), (6665, 2848785), (7697, 2466825), (13425, 1414313), (15915, 1193035), (16647, 1140575), (19995, 949595), (23091, 822275), (26525, 715821), (27745, 684345), (32891, 577275), (33325, 569757), (38485, 493365), (45623, 416175), (79575, 238607), (83235, 228115), (98673, 192425), (99975, 189919), (115455, 164455), (136869, 138725)]