18947250

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{401}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 60203520

約数和(自身を除く): 41256270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 125, 126, 135, 150, 175, 189, 210, 225, 250, 270, 315, 350, 375, 378, 401, 450, 525, 630, 675, 750, 802, 875, 945, 1050, 1125, 1203, 1350, 1575, 1750, 1890, 2005, 2250, 2406, 2625, 2807, 3150, 3375, 3609, 4010, 4725, 5250, 5614, 6015, 6750, 7218, 7875, 8421, 9450, 10025, 10827, 12030, 14035, 15750, 16842, 18045, 20050, 21654, 23625, 25263, 28070, 30075, 36090, 42105, 47250, 50125, 50526, 54135, 60150, 70175, 75789, 84210, 90225, 100250, 108270, 126315, 140350, 150375, 151578, 180450, 210525, 252630, 270675, 300750, 350875, 378945, 421050, 451125, 541350, 631575, 701750, 757890, 902250, 1052625, 1263150, 1353375, 1894725, 2105250, 2706750, 3157875, 3789450, 6315750, 9473625, 18947250]

約数ペア:

[(1, 18947250), (2, 9473625), (3, 6315750), (5, 3789450), (6, 3157875), (7, 2706750), (9, 2105250), (10, 1894725), (14, 1353375), (15, 1263150), (18, 1052625), (21, 902250), (25, 757890), (27, 701750), (30, 631575), (35, 541350), (42, 451125), (45, 421050), (50, 378945), (54, 350875), (63, 300750), (70, 270675), (75, 252630), (90, 210525), (105, 180450), (125, 151578), (126, 150375), (135, 140350), (150, 126315), (175, 108270), (189, 100250), (210, 90225), (225, 84210), (250, 75789), (270, 70175), (315, 60150), (350, 54135), (375, 50526), (378, 50125), (401, 47250), (450, 42105), (525, 36090), (630, 30075), (675, 28070), (750, 25263), (802, 23625), (875, 21654), (945, 20050), (1050, 18045), (1125, 16842), (1203, 15750), (1350, 14035), (1575, 12030), (1750, 10827), (1890, 10025), (2005, 9450), (2250, 8421), (2406, 7875), (2625, 7218), (2807, 6750), (3150, 6015), (3375, 5614), (3609, 5250), (4010, 4725)]