19561288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{143833}}^1$

素因数の和:143856

約数の個数: 16

約数和(自身を含む): 38835180

約数和(自身を除く): 19273892

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 143833, 287666, 575332, 1150664, 2445161, 4890322, 9780644, 19561288]

約数ペア:

[(1, 19561288), (2, 9780644), (4, 4890322), (8, 2445161), (17, 1150664), (34, 575332), (68, 287666), (136, 143833)]