19312950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 48211200

約数和(自身を除く): 28898250

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 199, 398, 597, 647, 995, 1194, 1294, 1941, 1990, 2985, 3235, 3882, 4975, 5970, 6470, 9705, 9950, 14925, 16175, 19410, 29850, 32350, 48525, 97050, 128753, 257506, 386259, 643765, 772518, 1287530, 1931295, 3218825, 3862590, 6437650, 9656475, 19312950]

約数ペア:

[(1, 19312950), (2, 9656475), (3, 6437650), (5, 3862590), (6, 3218825), (10, 1931295), (15, 1287530), (25, 772518), (30, 643765), (50, 386259), (75, 257506), (150, 128753), (199, 97050), (398, 48525), (597, 32350), (647, 29850), (995, 19410), (1194, 16175), (1294, 14925), (1941, 9950), (1990, 9705), (2985, 6470), (3235, 5970), (3882, 4975)]