18901128961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1\times {\mathrm{1117}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 22363076736

約数和(自身を除く): 3461947775

約数列:

[1, 11, 13, 143, 241, 491, 1117, 2651, 3133, 5401, 6383, 12287, 14521, 34463, 70213, 118331, 159731, 269197, 548447, 1301641, 1538303, 2961167, 3499561, 6032917, 7129811, 16921333, 38495171, 78427921, 132175727, 1453932997, 1718284451, 18901128961]

約数ペア:

[(1, 18901128961), (11, 1718284451), (13, 1453932997), (143, 132175727), (241, 78427921), (491, 38495171), (1117, 16921333), (2651, 7129811), (3133, 6032917), (5401, 3499561), (6383, 2961167), (12287, 1538303), (14521, 1301641), (34463, 548447), (70213, 269197), (118331, 159731)]