18970524

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 51520560

約数和(自身を除く): 32550036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 673, 783, 972, 1044, 1346, 1566, 2019, 2349, 2692, 3132, 4038, 4698, 6057, 7047, 8076, 9396, 12114, 14094, 18171, 19517, 24228, 28188, 36342, 39034, 54513, 58551, 72684, 78068, 109026, 117102, 163539, 175653, 218052, 234204, 327078, 351306, 526959, 654156, 702612, 1053918, 1580877, 2107836, 3161754, 4742631, 6323508, 9485262, 18970524]

約数ペア:

[(1, 18970524), (2, 9485262), (3, 6323508), (4, 4742631), (6, 3161754), (9, 2107836), (12, 1580877), (18, 1053918), (27, 702612), (29, 654156), (36, 526959), (54, 351306), (58, 327078), (81, 234204), (87, 218052), (108, 175653), (116, 163539), (162, 117102), (174, 109026), (243, 78068), (261, 72684), (324, 58551), (348, 54513), (486, 39034), (522, 36342), (673, 28188), (783, 24228), (972, 19517), (1044, 18171), (1346, 14094), (1566, 12114), (2019, 9396), (2349, 8076), (2692, 7047), (3132, 6057), (4038, 4698)]