19381388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{372719}}^1$

素因数の和:372736

約数の個数: 12

約数和(自身を含む): 36526560

約数和(自身を除く): 17145172

約数列:

[1, 2, 4, 13, 26, 52, 372719, 745438, 1490876, 4845347, 9690694, 19381388]

約数ペア:

[(1, 19381388), (2, 9690694), (4, 4845347), (13, 1490876), (26, 745438), (52, 372719)]