19959566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13788274

約数列:

[1, 2, 11, 22, 61, 107, 122, 139, 214, 278, 671, 1177, 1342, 1529, 2354, 3058, 6527, 8479, 13054, 14873, 16958, 29746, 71797, 93269, 143594, 163603, 186538, 327206, 907253, 1814506, 9979783, 19959566]

約数ペア:

[(1, 19959566), (2, 9979783), (11, 1814506), (22, 907253), (61, 327206), (107, 186538), (122, 163603), (139, 143594), (214, 93269), (278, 71797), (671, 29746), (1177, 16958), (1342, 14873), (1529, 13054), (2354, 8479), (3058, 6527)]