18985016

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 36735600

約数和(自身を除く): 17750584

約数列:

[1, 2, 4, 8, 43, 86, 172, 229, 241, 344, 458, 482, 916, 964, 1832, 1928, 9847, 10363, 19694, 20726, 39388, 41452, 55189, 78776, 82904, 110378, 220756, 441512, 2373127, 4746254, 9492508, 18985016]

約数ペア:

[(1, 18985016), (2, 9492508), (4, 4746254), (8, 2373127), (43, 441512), (86, 220756), (172, 110378), (229, 82904), (241, 78776), (344, 55189), (458, 41452), (482, 39388), (916, 20726), (964, 19694), (1832, 10363), (1928, 9847)]