19372400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2586

約数の個数: 60

約数和(自身を含む): 49011000

約数和(自身を除く): 29638600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2549, 3800, 5098, 7600, 10196, 12745, 20392, 25490, 40784, 48431, 50980, 63725, 96862, 101960, 127450, 193724, 203920, 242155, 254900, 387448, 484310, 509800, 774896, 968620, 1019600, 1210775, 1937240, 2421550, 3874480, 4843100, 9686200, 19372400]

約数ペア:

[(1, 19372400), (2, 9686200), (4, 4843100), (5, 3874480), (8, 2421550), (10, 1937240), (16, 1210775), (19, 1019600), (20, 968620), (25, 774896), (38, 509800), (40, 484310), (50, 387448), (76, 254900), (80, 242155), (95, 203920), (100, 193724), (152, 127450), (190, 101960), (200, 96862), (304, 63725), (380, 50980), (400, 48431), (475, 40784), (760, 25490), (950, 20392), (1520, 12745), (1900, 10196), (2549, 7600), (3800, 5098)]