18430983

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1637}}^1$

素因数の和:1788

約数の個数: 20

約数和(自身を含む): 27747720

約数和(自身を除く): 9316737

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1637, 3753, 4911, 11259, 14733, 44199, 132597, 227543, 682629, 2047887, 6143661, 18430983]

約数ペア:

[(1, 18430983), (3, 6143661), (9, 2047887), (27, 682629), (81, 227543), (139, 132597), (417, 44199), (1251, 14733), (1637, 11259), (3753, 4911)]