19666052

素因数分解:

$2^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{373}}^1$

素因数の和:660

約数の個数: 36

約数和(自身を含む): 40291020

約数和(自身を除く): 20624968

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 269, 373, 538, 746, 1076, 1492, 1883, 2611, 3766, 5222, 7532, 10444, 13181, 18277, 26362, 36554, 52724, 73108, 100337, 200674, 401348, 702359, 1404718, 2809436, 4916513, 9833026, 19666052]

約数ペア:

[(1, 19666052), (2, 9833026), (4, 4916513), (7, 2809436), (14, 1404718), (28, 702359), (49, 401348), (98, 200674), (196, 100337), (269, 73108), (373, 52724), (538, 36554), (746, 26362), (1076, 18277), (1492, 13181), (1883, 10444), (2611, 7532), (3766, 5222)]