19109915912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{291701}}^1$

素因数の和:292157

約数の個数: 32

約数和(自身を含む): 37804579200

約数和(自身を除く): 18694663288

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 431, 862, 1724, 3448, 8189, 16378, 32756, 65512, 291701, 583402, 1166804, 2333608, 5542319, 11084638, 22169276, 44338552, 125723131, 251446262, 502892524, 1005785048, 2388739489, 4777478978, 9554957956, 19109915912]

約数ペア:

[(1, 19109915912), (2, 9554957956), (4, 4777478978), (8, 2388739489), (19, 1005785048), (38, 502892524), (76, 251446262), (152, 125723131), (431, 44338552), (862, 22169276), (1724, 11084638), (3448, 5542319), (8189, 2333608), (16378, 1166804), (32756, 583402), (65512, 291701)]