19475043

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 31521792

約数和(自身を除く): 12046749

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 661, 1281, 1403, 1983, 4209, 4627, 9821, 13881, 15203, 29463, 40321, 45609, 106421, 120963, 282247, 319263, 846741, 927383, 2782149, 6491681, 19475043]

約数ペア:

[(1, 19475043), (3, 6491681), (7, 2782149), (21, 927383), (23, 846741), (61, 319263), (69, 282247), (161, 120963), (183, 106421), (427, 45609), (483, 40321), (661, 29463), (1281, 15203), (1403, 13881), (1983, 9821), (4209, 4627)]