17921193

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1471}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 24870912

約数和(自身を除く): 6949719

約数列:

[1, 3, 31, 93, 131, 393, 1471, 4061, 4413, 12183, 45601, 136803, 192701, 578103, 5973731, 17921193]

約数ペア:

[(1, 17921193), (3, 5973731), (31, 578103), (93, 192701), (131, 136803), (393, 45601), (1471, 12183), (4061, 4413)]