19862842

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{739}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 30369600

約数和(自身を除く): 10506758

約数列:

[1, 2, 89, 151, 178, 302, 739, 1478, 13439, 26878, 65771, 111589, 131542, 223178, 9931421, 19862842]

約数ペア:

[(1, 19862842), (2, 9931421), (89, 223178), (151, 131542), (178, 111589), (302, 65771), (739, 26878), (1478, 13439)]