18743907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68659}}^1$

素因数の和:68682

約数の個数: 16

約数和(自身を含む): 30759680

約数和(自身を除く): 12015773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68659, 205977, 480613, 892567, 1441839, 2677701, 6247969, 18743907]

約数ペア:

[(1, 18743907), (3, 6247969), (7, 2677701), (13, 1441839), (21, 892567), (39, 480613), (91, 205977), (273, 68659)]