19339929

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 14805351

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 107, 133, 151, 171, 321, 399, 453, 749, 963, 1057, 1197, 1359, 2033, 2247, 2869, 3171, 6099, 6741, 8607, 9513, 14231, 16157, 18297, 20083, 25821, 42693, 48471, 60249, 113099, 128079, 145413, 180747, 306983, 339297, 920949, 1017891, 2148881, 2762847, 6446643, 19339929]

約数ペア:

[(1, 19339929), (3, 6446643), (7, 2762847), (9, 2148881), (19, 1017891), (21, 920949), (57, 339297), (63, 306983), (107, 180747), (133, 145413), (151, 128079), (171, 113099), (321, 60249), (399, 48471), (453, 42693), (749, 25821), (963, 20083), (1057, 18297), (1197, 16157), (1359, 14231), (2033, 9513), (2247, 8607), (2869, 6741), (3171, 6099)]