19211738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{373}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 35688576

約数和(自身を除く): 16476838

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 283, 373, 566, 746, 1981, 2611, 3679, 3962, 4849, 5222, 7358, 9698, 25753, 33943, 51506, 67886, 105559, 211118, 738913, 1372267, 1477826, 2744534, 9605869, 19211738]

約数ペア:

[(1, 19211738), (2, 9605869), (7, 2744534), (13, 1477826), (14, 1372267), (26, 738913), (91, 211118), (182, 105559), (283, 67886), (373, 51506), (566, 33943), (746, 25753), (1981, 9698), (2611, 7358), (3679, 5222), (3962, 4849)]