18579816

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1223}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 50600160

約数和(自身を除く): 32020344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1223, 1266, 1688, 1899, 2446, 2532, 3669, 3798, 4892, 5064, 7338, 7596, 9784, 11007, 14676, 15192, 22014, 29352, 44028, 88056, 258053, 516106, 774159, 1032212, 1548318, 2064424, 2322477, 3096636, 4644954, 6193272, 9289908, 18579816]

約数ペア:

[(1, 18579816), (2, 9289908), (3, 6193272), (4, 4644954), (6, 3096636), (8, 2322477), (9, 2064424), (12, 1548318), (18, 1032212), (24, 774159), (36, 516106), (72, 258053), (211, 88056), (422, 44028), (633, 29352), (844, 22014), (1223, 15192), (1266, 14676), (1688, 11007), (1899, 9784), (2446, 7596), (2532, 7338), (3669, 5064), (3798, 4892)]