18002747

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 22476240

約数和(自身を除く): 4473493

約数列:

[1, 7, 19, 49, 61, 133, 317, 427, 931, 1159, 2219, 2989, 6023, 8113, 15533, 19337, 42161, 56791, 135359, 295127, 367403, 947513, 2571821, 18002747]

約数ペア:

[(1, 18002747), (7, 2571821), (19, 947513), (49, 367403), (61, 295127), (133, 135359), (317, 56791), (427, 42161), (931, 19337), (1159, 15533), (2219, 8113), (2989, 6023)]