18973713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1171}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 27677952

約数和(自身を除く): 8704239

約数列:

[1, 3, 11, 33, 491, 1171, 1473, 3513, 5401, 12881, 16203, 38643, 574961, 1724883, 6324571, 18973713]

約数ペア:

[(1, 18973713), (3, 6324571), (11, 1724883), (33, 574961), (491, 38643), (1171, 16203), (1473, 12881), (3513, 5401)]