18049300

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1120

約数の個数: 36

約数和(自身を含む): 39407200

約数和(自身を除く): 21357900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 907, 995, 1814, 1990, 3628, 3980, 4535, 4975, 9070, 9950, 18140, 19900, 22675, 45350, 90700, 180493, 360986, 721972, 902465, 1804930, 3609860, 4512325, 9024650, 18049300]

約数ペア:

[(1, 18049300), (2, 9024650), (4, 4512325), (5, 3609860), (10, 1804930), (20, 902465), (25, 721972), (50, 360986), (100, 180493), (199, 90700), (398, 45350), (796, 22675), (907, 19900), (995, 18140), (1814, 9950), (1990, 9070), (3628, 4975), (3980, 4535)]