19400823

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 31969280

約数和(自身を除く): 12568457

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 1783, 3627, 5349, 10881, 16047, 23179, 48141, 55273, 69537, 165819, 208611, 497457, 625833, 718549, 1492371, 2155647, 6466941, 19400823]

約数ペア:

[(1, 19400823), (3, 6466941), (9, 2155647), (13, 1492371), (27, 718549), (31, 625833), (39, 497457), (93, 208611), (117, 165819), (279, 69537), (351, 55273), (403, 48141), (837, 23179), (1209, 16047), (1783, 10881), (3627, 5349)]