18827700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 55121472

約数和(自身を除く): 36293772

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, 647, 970, 1164, 1294, 1455, 1940, 1941, 2425, 2588, 2910, 3235, 3882, 4850, 5820, 6470, 7275, 7764, 9700, 9705, 12940, 14550, 16175, 19410, 29100, 32350, 38820, 48525, 62759, 64700, 97050, 125518, 188277, 194100, 251036, 313795, 376554, 627590, 753108, 941385, 1255180, 1568975, 1882770, 3137950, 3765540, 4706925, 6275900, 9413850, 18827700]

約数ペア:

[(1, 18827700), (2, 9413850), (3, 6275900), (4, 4706925), (5, 3765540), (6, 3137950), (10, 1882770), (12, 1568975), (15, 1255180), (20, 941385), (25, 753108), (30, 627590), (50, 376554), (60, 313795), (75, 251036), (97, 194100), (100, 188277), (150, 125518), (194, 97050), (291, 64700), (300, 62759), (388, 48525), (485, 38820), (582, 32350), (647, 29100), (970, 19410), (1164, 16175), (1294, 14550), (1455, 12940), (1940, 9705), (1941, 9700), (2425, 7764), (2588, 7275), (2910, 6470), (3235, 5820), (3882, 4850)]