19482900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 57017184

約数和(自身を除く): 37534284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 150, 202, 300, 303, 404, 505, 606, 643, 1010, 1212, 1286, 1515, 1929, 2020, 2525, 2572, 3030, 3215, 3858, 5050, 6060, 6430, 7575, 7716, 9645, 10100, 12860, 15150, 16075, 19290, 30300, 32150, 38580, 48225, 64300, 64943, 96450, 129886, 192900, 194829, 259772, 324715, 389658, 649430, 779316, 974145, 1298860, 1623575, 1948290, 3247150, 3896580, 4870725, 6494300, 9741450, 19482900]

約数ペア:

[(1, 19482900), (2, 9741450), (3, 6494300), (4, 4870725), (5, 3896580), (6, 3247150), (10, 1948290), (12, 1623575), (15, 1298860), (20, 974145), (25, 779316), (30, 649430), (50, 389658), (60, 324715), (75, 259772), (100, 194829), (101, 192900), (150, 129886), (202, 96450), (300, 64943), (303, 64300), (404, 48225), (505, 38580), (606, 32150), (643, 30300), (1010, 19290), (1212, 16075), (1286, 15150), (1515, 12860), (1929, 10100), (2020, 9645), (2525, 7716), (2572, 7575), (3030, 6430), (3215, 6060), (3858, 5050)]