18384951

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 28483840

約数和(自身を除く): 10098889

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 577, 741, 817, 1677, 1731, 2451, 7501, 10621, 10963, 22503, 24811, 31863, 32889, 74433, 142519, 322543, 427557, 471409, 967629, 1414227, 6128317, 18384951]

約数ペア:

[(1, 18384951), (3, 6128317), (13, 1414227), (19, 967629), (39, 471409), (43, 427557), (57, 322543), (129, 142519), (247, 74433), (559, 32889), (577, 31863), (741, 24811), (817, 22503), (1677, 10963), (1731, 10621), (2451, 7501)]