18810337

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2131}}^1$

素因数の和:2248

約数の個数: 16

約数和(自身を含む): 23400832

約数和(自身を除く): 4590495

約数列:

[1, 7, 13, 91, 97, 679, 1261, 2131, 8827, 14917, 27703, 193921, 206707, 1446949, 2687191, 18810337]

約数ペア:

[(1, 18810337), (7, 2687191), (13, 1446949), (91, 206707), (97, 193921), (679, 27703), (1261, 14917), (2131, 8827)]