18104931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{51581}}^1$

素因数の和:51603

約数の個数: 16

約数和(自身を含む): 28885920

約数和(自身を除く): 10780989

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 51581, 154743, 464229, 670553, 1392687, 2011659, 6034977, 18104931]

約数ペア:

[(1, 18104931), (3, 6034977), (9, 2011659), (13, 1392687), (27, 670553), (39, 464229), (117, 154743), (351, 51581)]