18628857

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 29320200

約数和(自身を除く): 10691343

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 1789, 3471, 5367, 10413, 16101, 23257, 69771, 159221, 209313, 477663, 1432989, 2069873, 6209619, 18628857]

約数ペア:

[(1, 18628857), (3, 6209619), (9, 2069873), (13, 1432989), (39, 477663), (89, 209313), (117, 159221), (267, 69771), (801, 23257), (1157, 16101), (1789, 10413), (3471, 5367)]