19173868

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{991}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 38441984

約数和(自身を除く): 19268116

約数列:

[1, 2, 4, 7, 14, 28, 691, 991, 1382, 1982, 2764, 3964, 4837, 6937, 9674, 13874, 19348, 27748, 684781, 1369562, 2739124, 4793467, 9586934, 19173868]

約数ペア:

[(1, 19173868), (2, 9586934), (4, 4793467), (7, 2739124), (14, 1369562), (28, 684781), (691, 27748), (991, 19348), (1382, 13874), (1982, 9674), (2764, 6937), (3964, 4837)]