18505800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 66960000

約数和(自身を除く): 48454200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 27, 30, 36, 40, 45, 46, 50, 54, 60, 69, 72, 75, 90, 92, 100, 108, 115, 120, 135, 138, 149, 150, 180, 184, 200, 207, 216, 225, 230, 270, 276, 298, 300, 345, 360, 414, 447, 450, 460, 540, 552, 575, 596, 600, 621, 675, 690, 745, 828, 894, 900, 920, 1035, 1080, 1150, 1192, 1242, 1341, 1350, 1380, 1490, 1656, 1725, 1788, 1800, 2070, 2235, 2300, 2484, 2682, 2700, 2760, 2980, 3105, 3427, 3450, 3576, 3725, 4023, 4140, 4470, 4600, 4968, 5175, 5364, 5400, 5960, 6210, 6705, 6854, 6900, 7450, 8046, 8280, 8940, 10281, 10350, 10728, 11175, 12420, 13410, 13708, 13800, 14900, 15525, 16092, 17135, 17880, 20115, 20562, 20700, 22350, 24840, 26820, 27416, 29800, 30843, 31050, 32184, 33525, 34270, 40230, 41124, 41400, 44700, 51405, 53640, 61686, 62100, 67050, 68540, 80460, 82248, 85675, 89400, 92529, 100575, 102810, 123372, 124200, 134100, 137080, 154215, 160920, 171350, 185058, 201150, 205620, 246744, 257025, 268200, 308430, 342700, 370116, 402300, 411240, 462645, 514050, 616860, 685400, 740232, 771075, 804600, 925290, 1028100, 1233720, 1542150, 1850580, 2056200, 2313225, 3084300, 3701160, 4626450, 6168600, 9252900, 18505800]

約数ペア:

[(1, 18505800), (2, 9252900), (3, 6168600), (4, 4626450), (5, 3701160), (6, 3084300), (8, 2313225), (9, 2056200), (10, 1850580), (12, 1542150), (15, 1233720), (18, 1028100), (20, 925290), (23, 804600), (24, 771075), (25, 740232), (27, 685400), (30, 616860), (36, 514050), (40, 462645), (45, 411240), (46, 402300), (50, 370116), (54, 342700), (60, 308430), (69, 268200), (72, 257025), (75, 246744), (90, 205620), (92, 201150), (100, 185058), (108, 171350), (115, 160920), (120, 154215), (135, 137080), (138, 134100), (149, 124200), (150, 123372), (180, 102810), (184, 100575), (200, 92529), (207, 89400), (216, 85675), (225, 82248), (230, 80460), (270, 68540), (276, 67050), (298, 62100), (300, 61686), (345, 53640), (360, 51405), (414, 44700), (447, 41400), (450, 41124), (460, 40230), (540, 34270), (552, 33525), (575, 32184), (596, 31050), (600, 30843), (621, 29800), (675, 27416), (690, 26820), (745, 24840), (828, 22350), (894, 20700), (900, 20562), (920, 20115), (1035, 17880), (1080, 17135), (1150, 16092), (1192, 15525), (1242, 14900), (1341, 13800), (1350, 13708), (1380, 13410), (1490, 12420), (1656, 11175), (1725, 10728), (1788, 10350), (1800, 10281), (2070, 8940), (2235, 8280), (2300, 8046), (2484, 7450), (2682, 6900), (2700, 6854), (2760, 6705), (2980, 6210), (3105, 5960), (3427, 5400), (3450, 5364), (3576, 5175), (3725, 4968), (4023, 4600), (4140, 4470)]