18736740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9463}}^1$

素因数の和:9489

約数の個数: 72

約数和(自身を含む): 62008128

約数和(自身を除く): 43271388

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, 9463, 18926, 28389, 37852, 47315, 56778, 85167, 94630, 104093, 113556, 141945, 170334, 189260, 208186, 283890, 312279, 340668, 416372, 425835, 520465, 567780, 624558, 851670, 936837, 1040930, 1249116, 1561395, 1703340, 1873674, 2081860, 3122790, 3747348, 4684185, 6245580, 9368370, 18736740]

約数ペア:

[(1, 18736740), (2, 9368370), (3, 6245580), (4, 4684185), (5, 3747348), (6, 3122790), (9, 2081860), (10, 1873674), (11, 1703340), (12, 1561395), (15, 1249116), (18, 1040930), (20, 936837), (22, 851670), (30, 624558), (33, 567780), (36, 520465), (44, 425835), (45, 416372), (55, 340668), (60, 312279), (66, 283890), (90, 208186), (99, 189260), (110, 170334), (132, 141945), (165, 113556), (180, 104093), (198, 94630), (220, 85167), (330, 56778), (396, 47315), (495, 37852), (660, 28389), (990, 18926), (1980, 9463)]