19911402

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4271}}^1$

素因数の和:4323

約数の個数: 48

約数和(自身を含む): 50648832

約数和(自身を除く): 30737430

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, 4271, 4662, 8542, 12813, 25626, 29897, 38439, 59794, 76878, 89691, 158027, 179382, 269073, 316054, 474081, 538146, 948162, 1106189, 1422243, 2212378, 2844486, 3318567, 6637134, 9955701, 19911402]

約数ペア:

[(1, 19911402), (2, 9955701), (3, 6637134), (6, 3318567), (7, 2844486), (9, 2212378), (14, 1422243), (18, 1106189), (21, 948162), (37, 538146), (42, 474081), (63, 316054), (74, 269073), (111, 179382), (126, 158027), (222, 89691), (259, 76878), (333, 59794), (518, 38439), (666, 29897), (777, 25626), (1554, 12813), (2331, 8542), (4271, 4662)]