19982786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18959}}^1$

素因数の和:19009

約数の個数: 16

約数和(自身を含む): 32762880

約数和(自身を除く): 12780094

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 18959, 37918, 322303, 587729, 644606, 1175458, 9991393, 19982786]

約数ペア:

[(1, 19982786), (2, 9991393), (17, 1175458), (31, 644606), (34, 587729), (62, 322303), (527, 37918), (1054, 18959)]