18940812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 51093504

約数和(自身を除く): 32152692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 47, 66, 71, 86, 94, 129, 132, 141, 142, 172, 188, 213, 258, 282, 284, 426, 473, 516, 517, 564, 781, 852, 946, 1034, 1419, 1551, 1562, 1892, 2021, 2068, 2343, 2838, 3053, 3102, 3124, 3337, 4042, 4686, 5676, 6063, 6106, 6204, 6674, 8084, 9159, 9372, 10011, 12126, 12212, 13348, 18318, 20022, 22231, 24252, 33583, 36636, 36707, 40044, 44462, 66693, 67166, 73414, 88924, 100749, 110121, 133386, 134332, 143491, 146828, 201498, 220242, 266772, 286982, 402996, 430473, 440484, 573964, 860946, 1578401, 1721892, 3156802, 4735203, 6313604, 9470406, 18940812]

約数ペア:

[(1, 18940812), (2, 9470406), (3, 6313604), (4, 4735203), (6, 3156802), (11, 1721892), (12, 1578401), (22, 860946), (33, 573964), (43, 440484), (44, 430473), (47, 402996), (66, 286982), (71, 266772), (86, 220242), (94, 201498), (129, 146828), (132, 143491), (141, 134332), (142, 133386), (172, 110121), (188, 100749), (213, 88924), (258, 73414), (282, 67166), (284, 66693), (426, 44462), (473, 40044), (516, 36707), (517, 36636), (564, 33583), (781, 24252), (852, 22231), (946, 20022), (1034, 18318), (1419, 13348), (1551, 12212), (1562, 12126), (1892, 10011), (2021, 9372), (2068, 9159), (2343, 8084), (2838, 6674), (3053, 6204), (3102, 6106), (3124, 6063), (3337, 5676), (4042, 4686)]