19864630

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20479}}^1$

素因数の和:20583

約数の個数: 16

約数和(自身を含む): 36126720

約数和(自身を除く): 16262090

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20479, 40958, 102395, 204790, 1986463, 3972926, 9932315, 19864630]

約数ペア:

[(1, 19864630), (2, 9932315), (5, 3972926), (10, 1986463), (97, 204790), (194, 102395), (485, 40958), (970, 20479)]