19488826

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 14979014

約数列:

[1, 2, 7, 14, 67, 79, 134, 158, 263, 469, 526, 553, 938, 1106, 1841, 3682, 5293, 10586, 17621, 20777, 35242, 37051, 41554, 74102, 123347, 145439, 246694, 290878, 1392059, 2784118, 9744413, 19488826]

約数ペア:

[(1, 19488826), (2, 9744413), (7, 2784118), (14, 1392059), (67, 290878), (79, 246694), (134, 145439), (158, 123347), (263, 74102), (469, 41554), (526, 37051), (553, 35242), (938, 20777), (1106, 17621), (1841, 10586), (3682, 5293)]