19494996

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{37781}}^1$

素因数の和:37831

約数の個数: 24

約数和(自身を含む): 46547424

約数和(自身を除く): 27052428

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 37781, 75562, 113343, 151124, 226686, 453372, 1624583, 3249166, 4873749, 6498332, 9747498, 19494996]

約数ペア:

[(1, 19494996), (2, 9747498), (3, 6498332), (4, 4873749), (6, 3249166), (12, 1624583), (43, 453372), (86, 226686), (129, 151124), (172, 113343), (258, 75562), (516, 37781)]