19193550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 47913600

約数和(自身を除く): 28720050

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 199, 398, 597, 643, 995, 1194, 1286, 1929, 1990, 2985, 3215, 3858, 4975, 5970, 6430, 9645, 9950, 14925, 16075, 19290, 29850, 32150, 48225, 96450, 127957, 255914, 383871, 639785, 767742, 1279570, 1919355, 3198925, 3838710, 6397850, 9596775, 19193550]

約数ペア:

[(1, 19193550), (2, 9596775), (3, 6397850), (5, 3838710), (6, 3198925), (10, 1919355), (15, 1279570), (25, 767742), (30, 639785), (50, 383871), (75, 255914), (150, 127957), (199, 96450), (398, 48225), (597, 32150), (643, 29850), (995, 19290), (1194, 16075), (1286, 14925), (1929, 9950), (1990, 9645), (2985, 6430), (3215, 5970), (3858, 4975)]