19003478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10909}}^1$

素因数の和:10991

約数の個数: 16

約数和(自身を含む): 31158960

約数和(自身を除く): 12155482

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 10909, 21818, 141817, 283634, 730903, 1461806, 9501739, 19003478]

約数ペア:

[(1, 19003478), (2, 9501739), (13, 1461806), (26, 730903), (67, 283634), (134, 141817), (871, 21818), (1742, 10909)]