19208997

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 29562624

約数和(自身を除く): 10353627

約数列:

[1, 3, 9, 17, 51, 153, 223, 563, 669, 1689, 2007, 3791, 5067, 9571, 11373, 28713, 34119, 86139, 125549, 376647, 1129941, 2134333, 6402999, 19208997]

約数ペア:

[(1, 19208997), (3, 6402999), (9, 2134333), (17, 1129941), (51, 376647), (153, 125549), (223, 86139), (563, 34119), (669, 28713), (1689, 11373), (2007, 9571), (3791, 5067)]