18219888

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4363}}^1$

素因数の和:4406

約数の個数: 60

約数和(自身を含む): 52760760

約数和(自身を除く): 34540872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4363, 8726, 13089, 17452, 26178, 34904, 39267, 52356, 69808, 78534, 104712, 126527, 157068, 209424, 253054, 314136, 379581, 506108, 628272, 759162, 1012216, 1138743, 1518324, 2024432, 2277486, 3036648, 4554972, 6073296, 9109944, 18219888]

約数ペア:

[(1, 18219888), (2, 9109944), (3, 6073296), (4, 4554972), (6, 3036648), (8, 2277486), (9, 2024432), (12, 1518324), (16, 1138743), (18, 1012216), (24, 759162), (29, 628272), (36, 506108), (48, 379581), (58, 314136), (72, 253054), (87, 209424), (116, 157068), (144, 126527), (174, 104712), (232, 78534), (261, 69808), (348, 52356), (464, 39267), (522, 34904), (696, 26178), (1044, 17452), (1392, 13089), (2088, 8726), (4176, 4363)]