19906590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 32659170

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 179, 330, 337, 358, 537, 674, 895, 1011, 1074, 1685, 1790, 1969, 2022, 2685, 3370, 3707, 3938, 5055, 5370, 5907, 7414, 9845, 10110, 11121, 11814, 18535, 19690, 22242, 29535, 37070, 55605, 59070, 60323, 111210, 120646, 180969, 301615, 361938, 603230, 663553, 904845, 1327106, 1809690, 1990659, 3317765, 3981318, 6635530, 9953295, 19906590]

約数ペア:

[(1, 19906590), (2, 9953295), (3, 6635530), (5, 3981318), (6, 3317765), (10, 1990659), (11, 1809690), (15, 1327106), (22, 904845), (30, 663553), (33, 603230), (55, 361938), (66, 301615), (110, 180969), (165, 120646), (179, 111210), (330, 60323), (337, 59070), (358, 55605), (537, 37070), (674, 29535), (895, 22242), (1011, 19690), (1074, 18535), (1685, 11814), (1790, 11121), (1969, 10110), (2022, 9845), (2685, 7414), (3370, 5907), (3707, 5370), (3938, 5055)]