19777966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9629}}^1$

素因数の和:9723

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 12578834

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9629, 19258, 125177, 250354, 760691, 1521382, 9888983, 19777966]

約数ペア:

[(1, 19777966), (2, 9888983), (13, 1521382), (26, 760691), (79, 250354), (158, 125177), (1027, 19258), (2054, 9629)]