19913988

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38593}}^1$

素因数の和:38643

約数の個数: 24

約数和(自身を含む): 47547808

約数和(自身を除く): 27633820

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38593, 77186, 115779, 154372, 231558, 463116, 1659499, 3318998, 4978497, 6637996, 9956994, 19913988]

約数ペア:

[(1, 19913988), (2, 9956994), (3, 6637996), (4, 4978497), (6, 3318998), (12, 1659499), (43, 463116), (86, 231558), (129, 154372), (172, 115779), (258, 77186), (516, 38593)]