19762798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13622162

約数列:

[1, 2, 11, 22, 79, 83, 137, 158, 166, 274, 869, 913, 1507, 1738, 1826, 3014, 6557, 10823, 11371, 13114, 21646, 22742, 72127, 119053, 125081, 144254, 238106, 250162, 898309, 1796618, 9881399, 19762798]

約数ペア:

[(1, 19762798), (2, 9881399), (11, 1796618), (22, 898309), (79, 250162), (83, 238106), (137, 144254), (158, 125081), (166, 119053), (274, 72127), (869, 22742), (913, 21646), (1507, 13114), (1738, 11371), (1826, 10823), (3014, 6557)]