15641978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 12489862

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 1627, 3254, 4807, 9614, 17897, 30913, 35794, 37421, 61826, 74842, 340043, 411631, 680086, 710999, 823262, 1421998, 7820989, 15641978]

約数ペア:

[(1, 15641978), (2, 7820989), (11, 1421998), (19, 823262), (22, 710999), (23, 680086), (38, 411631), (46, 340043), (209, 74842), (253, 61826), (418, 37421), (437, 35794), (506, 30913), (874, 17897), (1627, 9614), (3254, 4807)]