19500669

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12671}}^1$

素因数の和:12702

約数の個数: 20

約数和(自身を含む): 30666240

約数和(自身を除く): 11165571

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12671, 38013, 114039, 240749, 342117, 722247, 1026351, 2166741, 6500223, 19500669]

約数ペア:

[(1, 19500669), (3, 6500223), (9, 2166741), (19, 1026351), (27, 722247), (57, 342117), (81, 240749), (171, 114039), (513, 38013), (1539, 12671)]