18855612

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2543

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 30737988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2459, 2556, 3834, 4918, 7377, 7668, 9836, 14754, 22131, 29508, 44262, 66393, 88524, 132786, 174589, 265572, 349178, 523767, 698356, 1047534, 1571301, 2095068, 3142602, 4713903, 6285204, 9427806, 18855612]

約数ペア:

[(1, 18855612), (2, 9427806), (3, 6285204), (4, 4713903), (6, 3142602), (9, 2095068), (12, 1571301), (18, 1047534), (27, 698356), (36, 523767), (54, 349178), (71, 265572), (108, 174589), (142, 132786), (213, 88524), (284, 66393), (426, 44262), (639, 29508), (852, 22131), (1278, 14754), (1917, 9836), (2459, 7668), (2556, 7377), (3834, 4918)]