19111978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1831}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 30469824

約数和(自身を除く): 11357846

約数列:

[1, 2, 17, 34, 307, 614, 1831, 3662, 5219, 10438, 31127, 62254, 562117, 1124234, 9555989, 19111978]

約数ペア:

[(1, 19111978), (2, 9555989), (17, 1124234), (34, 562117), (307, 62254), (614, 31127), (1831, 10438), (3662, 5219)]