18744156

素因数分解:

$2^2\times 3^3\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 30153924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197, 394, 591, 788, 881, 1182, 1762, 1773, 2364, 2643, 3524, 3546, 5286, 5319, 7092, 7929, 10572, 10638, 15858, 21276, 23787, 31716, 47574, 95148, 173557, 347114, 520671, 694228, 1041342, 1562013, 2082684, 3124026, 4686039, 6248052, 9372078, 18744156]

約数ペア:

[(1, 18744156), (2, 9372078), (3, 6248052), (4, 4686039), (6, 3124026), (9, 2082684), (12, 1562013), (18, 1041342), (27, 694228), (36, 520671), (54, 347114), (108, 173557), (197, 95148), (394, 47574), (591, 31716), (788, 23787), (881, 21276), (1182, 15858), (1762, 10638), (1773, 10572), (2364, 7929), (2643, 7092), (3524, 5319), (3546, 5286)]