19401136

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15349}}^1$

素因数の和:15436

約数の個数: 20

約数和(自身を含む): 38068000

約数和(自身を除く): 18666864

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15349, 30698, 61396, 122792, 245584, 1212571, 2425142, 4850284, 9700568, 19401136]

約数ペア:

[(1, 19401136), (2, 9700568), (4, 4850284), (8, 2425142), (16, 1212571), (79, 245584), (158, 122792), (316, 61396), (632, 30698), (1264, 15349)]