18810904

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 41942880

約数和(自身を除く): 23131976

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1021, 1316, 2042, 2303, 2632, 4084, 4606, 7147, 8168, 9212, 14294, 18424, 28588, 47987, 50029, 57176, 95974, 100058, 191948, 200116, 335909, 383896, 400232, 671818, 1343636, 2351363, 2687272, 4702726, 9405452, 18810904]

約数ペア:

[(1, 18810904), (2, 9405452), (4, 4702726), (7, 2687272), (8, 2351363), (14, 1343636), (28, 671818), (47, 400232), (49, 383896), (56, 335909), (94, 200116), (98, 191948), (188, 100058), (196, 95974), (329, 57176), (376, 50029), (392, 47987), (658, 28588), (1021, 18424), (1316, 14294), (2042, 9212), (2303, 8168), (2632, 7147), (4084, 4606)]