18807297

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4703}}^1$

素因数の和:4780

約数の個数: 16

約数和(自身を含む): 26492928

約数和(自身を除く): 7685631

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4703, 14109, 145793, 202229, 437379, 606687, 6269099, 18807297]

約数ペア:

[(1, 18807297), (3, 6269099), (31, 606687), (43, 437379), (93, 202229), (129, 145793), (1333, 14109), (3999, 4703)]