19874600

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 47303520

約数和(自身を除く): 27428920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 2311, 4300, 4622, 8600, 9244, 11555, 18488, 23110, 46220, 57775, 92440, 99373, 115550, 198746, 231100, 397492, 462200, 496865, 794984, 993730, 1987460, 2484325, 3974920, 4968650, 9937300, 19874600]

約数ペア:

[(1, 19874600), (2, 9937300), (4, 4968650), (5, 3974920), (8, 2484325), (10, 1987460), (20, 993730), (25, 794984), (40, 496865), (43, 462200), (50, 397492), (86, 231100), (100, 198746), (172, 115550), (200, 99373), (215, 92440), (344, 57775), (430, 46220), (860, 23110), (1075, 18488), (1720, 11555), (2150, 9244), (2311, 8600), (4300, 4622)]