18049955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 27260928

約数和(自身を除く): 9210973

約数列:

[1, 5, 7, 11, 35, 55, 77, 173, 271, 385, 865, 1211, 1355, 1897, 1903, 2981, 6055, 9485, 9515, 13321, 14905, 20867, 46883, 66605, 104335, 234415, 328181, 515713, 1640905, 2578565, 3609991, 18049955]

約数ペア:

[(1, 18049955), (5, 3609991), (7, 2578565), (11, 1640905), (35, 515713), (55, 328181), (77, 234415), (173, 104335), (271, 66605), (385, 46883), (865, 20867), (1211, 14905), (1355, 13321), (1897, 9515), (1903, 9485), (2981, 6055)]