19384790

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12347}}^1$

素因数の和:12511

約数の個数: 16

約数和(自身を含む): 35117712

約数和(自身を除く): 15732922

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 12347, 24694, 61735, 123470, 1938479, 3876958, 9692395, 19384790]

約数ペア:

[(1, 19384790), (2, 9692395), (5, 3876958), (10, 1938479), (157, 123470), (314, 61735), (785, 24694), (1570, 12347)]