19965422

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4423}}^1$

素因数の和:4523

約数の個数: 16

約数和(自身を含む): 31268832

約数和(自身を除く): 11303410

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4423, 4514, 8846, 163651, 269803, 327302, 539606, 9982711, 19965422]

約数ペア:

[(1, 19965422), (2, 9982711), (37, 539606), (61, 327302), (74, 269803), (122, 163651), (2257, 8846), (4423, 4514)]