19128120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 64247040

約数和(自身を除く): 45118920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 337, 344, 430, 440, 473, 516, 645, 660, 674, 860, 946, 1011, 1032, 1290, 1320, 1348, 1419, 1685, 1720, 1892, 2022, 2365, 2580, 2696, 2838, 3370, 3707, 3784, 4044, 4730, 5055, 5160, 5676, 6740, 7095, 7414, 8088, 9460, 10110, 11121, 11352, 13480, 14190, 14491, 14828, 18535, 18920, 20220, 22242, 28380, 28982, 29656, 37070, 40440, 43473, 44484, 55605, 56760, 57964, 72455, 74140, 86946, 88968, 111210, 115928, 144910, 148280, 159401, 173892, 217365, 222420, 289820, 318802, 347784, 434730, 444840, 478203, 579640, 637604, 797005, 869460, 956406, 1275208, 1594010, 1738920, 1912812, 2391015, 3188020, 3825624, 4782030, 6376040, 9564060, 19128120]

約数ペア:

[(1, 19128120), (2, 9564060), (3, 6376040), (4, 4782030), (5, 3825624), (6, 3188020), (8, 2391015), (10, 1912812), (11, 1738920), (12, 1594010), (15, 1275208), (20, 956406), (22, 869460), (24, 797005), (30, 637604), (33, 579640), (40, 478203), (43, 444840), (44, 434730), (55, 347784), (60, 318802), (66, 289820), (86, 222420), (88, 217365), (110, 173892), (120, 159401), (129, 148280), (132, 144910), (165, 115928), (172, 111210), (215, 88968), (220, 86946), (258, 74140), (264, 72455), (330, 57964), (337, 56760), (344, 55605), (430, 44484), (440, 43473), (473, 40440), (516, 37070), (645, 29656), (660, 28982), (674, 28380), (860, 22242), (946, 20220), (1011, 18920), (1032, 18535), (1290, 14828), (1320, 14491), (1348, 14190), (1419, 13480), (1685, 11352), (1720, 11121), (1892, 10110), (2022, 9460), (2365, 8088), (2580, 7414), (2696, 7095), (2838, 6740), (3370, 5676), (3707, 5160), (3784, 5055), (4044, 4730)]