19973744

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1437

約数の個数: 40

約数和(自身を含む): 44580480

約数和(自身を除く): 24606736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1283, 1946, 2224, 2566, 3892, 5132, 7784, 8981, 10264, 15568, 17962, 20528, 35924, 71848, 143696, 178337, 356674, 713348, 1248359, 1426696, 2496718, 2853392, 4993436, 9986872, 19973744]

約数ペア:

[(1, 19973744), (2, 9986872), (4, 4993436), (7, 2853392), (8, 2496718), (14, 1426696), (16, 1248359), (28, 713348), (56, 356674), (112, 178337), (139, 143696), (278, 71848), (556, 35924), (973, 20528), (1112, 17962), (1283, 15568), (1946, 10264), (2224, 8981), (2566, 7784), (3892, 5132)]