19697104

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2477}}^1$

素因数の和:2563

約数の個数: 40

約数和(自身を含む): 44247168

約数和(自身を除く): 24550064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2477, 3976, 4954, 7952, 9908, 17339, 19816, 34678, 39632, 69356, 138712, 175867, 277424, 351734, 703468, 1231069, 1406936, 2462138, 2813872, 4924276, 9848552, 19697104]

約数ペア:

[(1, 19697104), (2, 9848552), (4, 4924276), (7, 2813872), (8, 2462138), (14, 1406936), (16, 1231069), (28, 703468), (56, 351734), (71, 277424), (112, 175867), (142, 138712), (284, 69356), (497, 39632), (568, 34678), (994, 19816), (1136, 17339), (1988, 9908), (2477, 7952), (3976, 4954)]