19895661

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 30733560

約数和(自身を除く): 10837899

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1193, 1853, 3579, 5559, 10737, 16677, 20281, 60843, 130037, 182529, 390111, 1170333, 2210629, 6631887, 19895661]

約数ペア:

[(1, 19895661), (3, 6631887), (9, 2210629), (17, 1170333), (51, 390111), (109, 182529), (153, 130037), (327, 60843), (981, 20281), (1193, 16677), (1853, 10737), (3579, 5559)]