18221000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:184

約数の個数: 128

約数和(自身を含む): 51667200

約数和(自身を除く): 33446200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 125, 133, 137, 140, 152, 175, 190, 200, 250, 266, 274, 280, 350, 380, 475, 500, 532, 548, 665, 685, 700, 760, 875, 950, 959, 1000, 1064, 1096, 1330, 1370, 1400, 1750, 1900, 1918, 2375, 2603, 2660, 2740, 3325, 3425, 3500, 3800, 3836, 4750, 4795, 5206, 5320, 5480, 6650, 6850, 7000, 7672, 9500, 9590, 10412, 13015, 13300, 13700, 16625, 17125, 18221, 19000, 19180, 20824, 23975, 26030, 26600, 27400, 33250, 34250, 36442, 38360, 47950, 52060, 65075, 66500, 68500, 72884, 91105, 95900, 104120, 119875, 130150, 133000, 137000, 145768, 182210, 191800, 239750, 260300, 325375, 364420, 455525, 479500, 520600, 650750, 728840, 911050, 959000, 1301500, 1822100, 2277625, 2603000, 3644200, 4555250, 9110500, 18221000]

約数ペア:

[(1, 18221000), (2, 9110500), (4, 4555250), (5, 3644200), (7, 2603000), (8, 2277625), (10, 1822100), (14, 1301500), (19, 959000), (20, 911050), (25, 728840), (28, 650750), (35, 520600), (38, 479500), (40, 455525), (50, 364420), (56, 325375), (70, 260300), (76, 239750), (95, 191800), (100, 182210), (125, 145768), (133, 137000), (137, 133000), (140, 130150), (152, 119875), (175, 104120), (190, 95900), (200, 91105), (250, 72884), (266, 68500), (274, 66500), (280, 65075), (350, 52060), (380, 47950), (475, 38360), (500, 36442), (532, 34250), (548, 33250), (665, 27400), (685, 26600), (700, 26030), (760, 23975), (875, 20824), (950, 19180), (959, 19000), (1000, 18221), (1064, 17125), (1096, 16625), (1330, 13700), (1370, 13300), (1400, 13015), (1750, 10412), (1900, 9590), (1918, 9500), (2375, 7672), (2603, 7000), (2660, 6850), (2740, 6650), (3325, 5480), (3425, 5320), (3500, 5206), (3800, 4795), (3836, 4750)]