19818736

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1526

約数の個数: 60

約数和(自身を含む): 47327328

約数和(自身を除く): 27508592

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1487, 1666, 1904, 2974, 3332, 5948, 6664, 10409, 11896, 13328, 20818, 23792, 25279, 41636, 50558, 72863, 83272, 101116, 145726, 166544, 176953, 202232, 291452, 353906, 404464, 582904, 707812, 1165808, 1238671, 1415624, 2477342, 2831248, 4954684, 9909368, 19818736]

約数ペア:

[(1, 19818736), (2, 9909368), (4, 4954684), (7, 2831248), (8, 2477342), (14, 1415624), (16, 1238671), (17, 1165808), (28, 707812), (34, 582904), (49, 404464), (56, 353906), (68, 291452), (98, 202232), (112, 176953), (119, 166544), (136, 145726), (196, 101116), (238, 83272), (272, 72863), (392, 50558), (476, 41636), (784, 25279), (833, 23792), (952, 20818), (1487, 13328), (1666, 11896), (1904, 10409), (2974, 6664), (3332, 5948)]