19455956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1693}}^1$

素因数の和:1740

約数の個数: 36

約数和(自身を含む): 39060252

約数和(自身を除く): 19604296

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1693, 2873, 3386, 5746, 6772, 11492, 22009, 28781, 44018, 57562, 88036, 115124, 286117, 374153, 572234, 748306, 1144468, 1496612, 4863989, 9727978, 19455956]

約数ペア:

[(1, 19455956), (2, 9727978), (4, 4863989), (13, 1496612), (17, 1144468), (26, 748306), (34, 572234), (52, 374153), (68, 286117), (169, 115124), (221, 88036), (338, 57562), (442, 44018), (676, 28781), (884, 22009), (1693, 11492), (2873, 6772), (3386, 5746)]