19415768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{389}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 19334632

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 367, 389, 734, 778, 1468, 1556, 2936, 3112, 6239, 6613, 12478, 13226, 24956, 26452, 49912, 52904, 142763, 285526, 571052, 1142104, 2426971, 4853942, 9707884, 19415768]

約数ペア:

[(1, 19415768), (2, 9707884), (4, 4853942), (8, 2426971), (17, 1142104), (34, 571052), (68, 285526), (136, 142763), (367, 52904), (389, 49912), (734, 26452), (778, 24956), (1468, 13226), (1556, 12478), (2936, 6613), (3112, 6239)]