18538800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2207}}^1$

素因数の和:2235

約数の個数: 120

約数和(自身を含む): 67900416

約数和(自身を除く): 49361616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2207, 2800, 4200, 4414, 6621, 8400, 8828, 11035, 13242, 15449, 17656, 22070, 26484, 30898, 33105, 35312, 44140, 46347, 52968, 55175, 61796, 66210, 77245, 88280, 92694, 105936, 110350, 123592, 132420, 154490, 165525, 176560, 185388, 220700, 231735, 247184, 264840, 308980, 331050, 370776, 386225, 441400, 463470, 529680, 617960, 662100, 741552, 772450, 882800, 926940, 1158675, 1235920, 1324200, 1544900, 1853880, 2317350, 2648400, 3089800, 3707760, 4634700, 6179600, 9269400, 18538800]

約数ペア:

[(1, 18538800), (2, 9269400), (3, 6179600), (4, 4634700), (5, 3707760), (6, 3089800), (7, 2648400), (8, 2317350), (10, 1853880), (12, 1544900), (14, 1324200), (15, 1235920), (16, 1158675), (20, 926940), (21, 882800), (24, 772450), (25, 741552), (28, 662100), (30, 617960), (35, 529680), (40, 463470), (42, 441400), (48, 386225), (50, 370776), (56, 331050), (60, 308980), (70, 264840), (75, 247184), (80, 231735), (84, 220700), (100, 185388), (105, 176560), (112, 165525), (120, 154490), (140, 132420), (150, 123592), (168, 110350), (175, 105936), (200, 92694), (210, 88280), (240, 77245), (280, 66210), (300, 61796), (336, 55175), (350, 52968), (400, 46347), (420, 44140), (525, 35312), (560, 33105), (600, 30898), (700, 26484), (840, 22070), (1050, 17656), (1200, 15449), (1400, 13242), (1680, 11035), (2100, 8828), (2207, 8400), (2800, 6621), (4200, 4414)]