19437800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5717}}^1$

素因数の和:5750

約数の個数: 48

約数和(自身を含む): 47859660

約数和(自身を除く): 28421860

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5717, 11434, 22868, 28585, 45736, 57170, 97189, 114340, 142925, 194378, 228680, 285850, 388756, 485945, 571700, 777512, 971890, 1143400, 1943780, 2429725, 3887560, 4859450, 9718900, 19437800]

約数ペア:

[(1, 19437800), (2, 9718900), (4, 4859450), (5, 3887560), (8, 2429725), (10, 1943780), (17, 1143400), (20, 971890), (25, 777512), (34, 571700), (40, 485945), (50, 388756), (68, 285850), (85, 228680), (100, 194378), (136, 142925), (170, 114340), (200, 97189), (340, 57170), (425, 45736), (680, 28585), (850, 22868), (1700, 11434), (3400, 5717)]