19209974

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9209}}^1$

素因数の和:9367

約数の個数: 16

約数和(自身を含む): 33156000

約数和(自身を除く): 13946026

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 9209, 18418, 64463, 128926, 1372141, 2744282, 9604987, 19209974]

約数ペア:

[(1, 19209974), (2, 9604987), (7, 2744282), (14, 1372141), (149, 128926), (298, 64463), (1043, 18418), (2086, 9209)]