19655470

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4951}}^1$

素因数の和:5355

約数の個数: 16

約数和(自身を含む): 35476128

約数和(自身を除く): 15820658

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 4951, 9902, 24755, 49510, 1965547, 3931094, 9827735, 19655470]

約数ペア:

[(1, 19655470), (2, 9827735), (5, 3931094), (10, 1965547), (397, 49510), (794, 24755), (1985, 9902), (3970, 4951)]