19936490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{284807}}^1$

素因数の和:284821

約数の個数: 16

約数和(自身を含む): 41012352

約数和(自身を除く): 21075862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 284807, 569614, 1424035, 1993649, 2848070, 3987298, 9968245, 19936490]

約数ペア:

[(1, 19936490), (2, 9968245), (5, 3987298), (7, 2848070), (10, 1993649), (14, 1424035), (35, 569614), (70, 284807)]