19907799

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4703}}^1$

素因数の和:4806

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 8541993

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4703, 14109, 79951, 239853, 390349, 1171047, 6635933, 19907799]

約数ペア:

[(1, 19907799), (3, 6635933), (17, 1171047), (51, 390349), (83, 239853), (249, 79951), (1411, 14109), (4233, 4703)]