19640038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15131}}^1$

素因数の和:15203

約数の個数: 16

約数和(自身を含む): 32685120

約数和(自身を除く): 13045082

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15131, 30262, 166441, 332882, 892729, 1785458, 9820019, 19640038]

約数ペア:

[(1, 19640038), (2, 9820019), (11, 1785458), (22, 892729), (59, 332882), (118, 166441), (649, 30262), (1298, 15131)]