19380764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{372707}}^1$

素因数の和:372724

約数の個数: 12

約数和(自身を含む): 36525384

約数和(自身を除く): 17144620

約数列:

[1, 2, 4, 13, 26, 52, 372707, 745414, 1490828, 4845191, 9690382, 19380764]

約数ペア:

[(1, 19380764), (2, 9690382), (4, 4845191), (13, 1490828), (26, 745414), (52, 372707)]