19223659

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1399}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 23833600

約数和(自身を除く): 4609941

約数列:

[1, 7, 13, 91, 151, 1057, 1399, 1963, 9793, 13741, 18187, 127309, 211249, 1478743, 2746237, 19223659]

約数ペア:

[(1, 19223659), (7, 2746237), (13, 1478743), (91, 211249), (151, 127309), (1057, 18187), (1399, 13741), (1963, 9793)]