18902487

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3821}}^1$

素因数の和:3938

約数の個数: 16

約数和(自身を含む): 26968032

約数和(自身を除く): 8065545

約数列:

[1, 3, 17, 51, 97, 291, 1649, 3821, 4947, 11463, 64957, 194871, 370637, 1111911, 6300829, 18902487]

約数ペア:

[(1, 18902487), (3, 6300829), (17, 1111911), (51, 370637), (97, 194871), (291, 64957), (1649, 11463), (3821, 4947)]