18711300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 54781216

約数和(自身を除く): 36069916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 643, 970, 1164, 1286, 1455, 1929, 1940, 2425, 2572, 2910, 3215, 3858, 4850, 5820, 6430, 7275, 7716, 9645, 9700, 12860, 14550, 16075, 19290, 29100, 32150, 38580, 48225, 62371, 64300, 96450, 124742, 187113, 192900, 249484, 311855, 374226, 623710, 748452, 935565, 1247420, 1559275, 1871130, 3118550, 3742260, 4677825, 6237100, 9355650, 18711300]

約数ペア:

[(1, 18711300), (2, 9355650), (3, 6237100), (4, 4677825), (5, 3742260), (6, 3118550), (10, 1871130), (12, 1559275), (15, 1247420), (20, 935565), (25, 748452), (30, 623710), (50, 374226), (60, 311855), (75, 249484), (97, 192900), (100, 187113), (150, 124742), (194, 96450), (291, 64300), (300, 62371), (388, 48225), (485, 38580), (582, 32150), (643, 29100), (970, 19290), (1164, 16075), (1286, 14550), (1455, 12860), (1929, 9700), (1940, 9645), (2425, 7716), (2572, 7275), (2910, 6430), (3215, 5820), (3858, 4850)]