19739566

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5573}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 38527488

約数和(自身を除く): 18787922

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5573, 11146, 39011, 61303, 78022, 122606, 128179, 256358, 429121, 858242, 897253, 1409969, 1794506, 2819938, 9869783, 19739566]

約数ペア:

[(1, 19739566), (2, 9869783), (7, 2819938), (11, 1794506), (14, 1409969), (22, 897253), (23, 858242), (46, 429121), (77, 256358), (154, 128179), (161, 122606), (253, 78022), (322, 61303), (506, 39011), (1771, 11146), (3542, 5573)]