201819420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101929}}^1$

素因数の和:101955

約数の個数: 72

約数和(自身を含む): 667845360

約数和(自身を除く): 466025940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 101929, 203858, 305787, 407716, 509645, 611574, 917361, 1019290, 1121219, 1223148, 1528935, 1834722, 2038580, 2242438, 3057870, 3363657, 3669444, 4484876, 4586805, 5606095, 6115740, 6727314, 9173610, 10090971, 11212190, 13454628, 16818285, 18347220, 20181942, 22424380, 33636570, 40363884, 50454855, 67273140, 100909710, 201819420]

約数ペア:

[(1, 201819420), (2, 100909710), (3, 67273140), (4, 50454855), (5, 40363884), (6, 33636570), (9, 22424380), (10, 20181942), (11, 18347220), (12, 16818285), (15, 13454628), (18, 11212190), (20, 10090971), (22, 9173610), (30, 6727314), (33, 6115740), (36, 5606095), (44, 4586805), (45, 4484876), (55, 3669444), (60, 3363657), (66, 3057870), (90, 2242438), (99, 2038580), (110, 1834722), (132, 1528935), (165, 1223148), (180, 1121219), (198, 1019290), (220, 917361), (330, 611574), (396, 509645), (495, 407716), (660, 305787), (990, 203858), (1980, 101929)]