19019847

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 31901184

約数和(自身を除く): 12881337

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 601, 959, 1507, 1803, 2877, 4207, 4521, 6611, 10549, 12621, 19833, 31647, 46277, 82337, 138831, 247011, 576359, 905707, 1729077, 2717121, 6339949, 19019847]

約数ペア:

[(1, 19019847), (3, 6339949), (7, 2717121), (11, 1729077), (21, 905707), (33, 576359), (77, 247011), (137, 138831), (231, 82337), (411, 46277), (601, 31647), (959, 19833), (1507, 12621), (1803, 10549), (2877, 6611), (4207, 4521)]