19378684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{372667}}^1$

素因数の和:372684

約数の個数: 12

約数和(自身を含む): 36521464

約数和(自身を除く): 17142780

約数列:

[1, 2, 4, 13, 26, 52, 372667, 745334, 1490668, 4844671, 9689342, 19378684]

約数ペア:

[(1, 19378684), (2, 9689342), (4, 4844671), (13, 1490668), (26, 745334), (52, 372667)]