1820002842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{390391}}^1$

素因数の和:390443

約数の個数: 48

約数和(自身を含む): 4628487552

約数和(自身を除く): 2808484710

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4662, 390391, 780782, 1171173, 2342346, 2732737, 3513519, 5465474, 7027038, 8198211, 14444467, 16396422, 24594633, 28888934, 43333401, 49189266, 86666802, 101111269, 130000203, 202222538, 260000406, 303333807, 606667614, 910001421, 1820002842]

約数ペア:

[(1, 1820002842), (2, 910001421), (3, 606667614), (6, 303333807), (7, 260000406), (9, 202222538), (14, 130000203), (18, 101111269), (21, 86666802), (37, 49189266), (42, 43333401), (63, 28888934), (74, 24594633), (111, 16396422), (126, 14444467), (222, 8198211), (259, 7027038), (333, 5465474), (518, 3513519), (666, 2732737), (777, 2342346), (1554, 1171173), (2331, 780782), (4662, 390391)]