18209800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13007}}^1$

素因数の和:13030

約数の個数: 48

約数和(自身を含む): 48389760

約数和(自身を除く): 30179960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 13007, 26014, 52028, 65035, 91049, 104056, 130070, 182098, 260140, 325175, 364196, 455245, 520280, 650350, 728392, 910490, 1300700, 1820980, 2276225, 2601400, 3641960, 4552450, 9104900, 18209800]

約数ペア:

[(1, 18209800), (2, 9104900), (4, 4552450), (5, 3641960), (7, 2601400), (8, 2276225), (10, 1820980), (14, 1300700), (20, 910490), (25, 728392), (28, 650350), (35, 520280), (40, 455245), (50, 364196), (56, 325175), (70, 260140), (100, 182098), (140, 130070), (175, 104056), (200, 91049), (280, 65035), (350, 52028), (700, 26014), (1400, 13007)]