19674879

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15359}}^1$

素因数の和:15430

約数の個数: 16

約数和(自身を含む): 30474240

約数和(自身を除く): 10799361

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15359, 46077, 107513, 322539, 936899, 2810697, 6558293, 19674879]

約数ペア:

[(1, 19674879), (3, 6558293), (7, 2810697), (21, 936899), (61, 322539), (183, 107513), (427, 46077), (1281, 15359)]